v0.22.0

### ⚠️ Breaking Changes

- `iroh-gossip`
    - `iroh_gossip::dispatcher` is removed with everything that was in it. Use the new API from `iroh_gossip::net::Gossip` instead (see below).
    - `iroh_gossip::net::Gossip` methods changed:
        - changed: `join` now returns a `GossipTopic`
        - removed: `broadcast`, `broadcast_neighbors`, `subscribe`, `subscribe_all`, `quit`.
            - for `subscribe` use `join` instead, which returns a `GossipTopic`
            - for `broadcast` and `broadcast_neighbors` use the respective methods on `GossipTopic` .
            - `quit` is obsolete now, the topic will be quitted once all `GossipTopic` handles are dropped.
            - `subscribe_all` is no longer available
    - `iroh_gossip::net::JoinTopicFut` is removed (it is now obsolete)
- `iroh-net`
    - Refactored the module structure for users of the `iroh-relay` feature in iroh-net
        - moved
            - `iroh_net::relay::iroh_relay::*` to `iroh_net::relay::server::*`
            - `iroh_net::relay::ClientConnHandler` to `iroh_net::relay::server::ClientConnHandler`
            - `iroh_net::relay::Metrics` to `iroh_net::relay::server::Metrics`
            - `iroh_net::relay::MaybeTlsStreamServer` to `iroh_net::relay::server::MaybeTlsStreamServer`
            - `iroh_net::relay::http::Client` to `iroh_net::relay::HttpClient`
            - `iroh_net::relay::http::ClientBuilder` to `iroh_net::relay::HttpClientBuilder`
            - `iroh_net::relay::http::ClientReceiver` to `iroh_net::relay::HttpClientReceiver`
            - `iroh_net::relay::http::ClientError` to `iroh_net::relay::HttpClientError`
            - `iroh_net::relay::http::TlsConfig` to `iroh_net::relay::server::TlsConfig`
        - removed `iroh_net::relay::http::ServerHandle`. The server can now be aborted via its `task_handle()` function or by dropping it.
        - renamed `iroh_net::relay::RelayClient` to `iroh_net::relay::RelayConn`
        - renamed and moved `iroh_net::relay::Server` to `iroh_net::relay::server::ServerActorTask`
        - unexposed `iroh_net::relay::http::{Server, ServerBuilder}`. Use `iroh_net::relay::server::Server` instead.
    - Properly feature-gate the iroh server implementation behind `#[cfg(feature = "iroh-relay")]` by feature-gating the whole `iroh_net::relay::server` module.
- `iroh`
    - Unknown fields in the configuration file will now cause an error.
    - Configuring the GC Policy in the configuration file has changed.
        - Example:
    
    ```toml
    [gc_policy]
    enabled = true
    interval = 1234
    ```

### ⛰️  Features

- *(iroh)* Improve documentation and canonicalize docs in `iroh::client` ([#2553](https://github.com/n0-computer/iroh/issues/2553)) - ([d937234](https://github.com/n0-computer/iroh/commit/d937234621791338a65338678badc35345784296))
- Override to staging relays ([#2551](https://github.com/n0-computer/iroh/issues/2551)) - ([ed4420b](https://github.com/n0-computer/iroh/commit/ed4420b5df75d4cfe3623c3e722f33a8a19449ce))

### 🐛 Bug Fixes

- *(iroh)* Do not set low max streams in builder ([#2593](https://github.com/n0-computer/iroh/issues/2593)) - ([215cd1d](https://github.com/n0-computer/iroh/commit/215cd1d8ffdc4b7fbaeceb792da981c40f59b41a))
- *(iroh-blobs)* Use async_channel instead of flume for local_pool ([#2533](https://github.com/n0-computer/iroh/issues/2533)) - ([9052905](https://github.com/n0-computer/iroh/commit/9052905d0d75d62c761139f02294d6abc1c53af6))
- *(iroh-blobs)* Do not hit the network when downloading blobs which are complete ([#2586](https://github.com/n0-computer/iroh/issues/2586)) - ([0784403](https://github.com/n0-computer/iroh/commit/07844031c3e568e34c64a825803c9cd3f91a2035))
- *(iroh-cli)* [**breaking**] Improve cli and configuration file ([#2532](https://github.com/n0-computer/iroh/issues/2532)) - ([0fc3794](https://github.com/n0-computer/iroh/commit/0fc37942be3d68399fbe45401ba7d67be43a83a6))
- *(iroh-gossip)* Connection loop misuses `tokio::select!` leading to read errors ([#2572](https://github.com/n0-computer/iroh/issues/2572)) - ([32bb0f3](https://github.com/n0-computer/iroh/commit/32bb0f3be432676ca49473e75c7eb00db32a3673))
- *(iroh-net)* Fix a compiler error with newer `derive_more` versions ([#2578](https://github.com/n0-computer/iroh/issues/2578)) - ([3f3fec5](https://github.com/n0-computer/iroh/commit/3f3fec5010a97f7d11f00b9c3eb2f05e167a1472))
- *(iroh-net)* Make a single direct address in NodeAddr instant ([#2580](https://github.com/n0-computer/iroh/issues/2580)) - ([f5b3918](https://github.com/n0-computer/iroh/commit/f5b3918b8d4a0077334980b91ca6339acaa1c55f))
- Docker image builds ([#2530](https://github.com/n0-computer/iroh/issues/2530)) - ([5c60a52](https://github.com/n0-computer/iroh/commit/5c60a52dd442525852f1b1a0b0f5fc62b463060e))
- Disable docs preview on forks ([#2558](https://github.com/n0-computer/iroh/issues/2558)) - ([741b42f](https://github.com/n0-computer/iroh/commit/741b42fa4260c94b4e80b633bffdf5add6ee24aa))
- Force CI to use staging relays ([#2560](https://github.com/n0-computer/iroh/issues/2560)) - ([ffeb1a9](https://github.com/n0-computer/iroh/commit/ffeb1a901387a56a1544ef058a86843f500eb84a))
- Pin derive_more to avoid sudden breakages ([#2584](https://github.com/n0-computer/iroh/issues/2584)) - ([1ba033c](https://github.com/n0-computer/iroh/commit/1ba033cf0cc601c7ffd4c09822190ddbb2fb8197))

### 🚜 Refactor

- *(iroh)* Remove flume from iroh gossip ([#2542](https://github.com/n0-computer/iroh/issues/2542)) - ([2964569](https://github.com/n0-computer/iroh/commit/29645698ca794d88314ff9c1117e962ec6260650))
- *(iroh)* Remove flume from iroh-cli and iroh ([#2543](https://github.com/n0-computer/iroh/issues/2543)) - ([347d45c](https://github.com/n0-computer/iroh/commit/347d45c3de3bcba878657566a67f4e1825b03bc4))
- *(iroh-docs)* Replace flume with async_channel in docs ([#2540](https://github.com/n0-computer/iroh/issues/2540)) - ([e7a7552](https://github.com/n0-computer/iroh/commit/e7a7552191b71b476cab0a75544f129e657d8dfe))
- *(iroh-net)* Replace flume in iroh-net with async_channel ([#2539](https://github.com/n0-computer/iroh/issues/2539)) - ([22314a1](https://github.com/n0-computer/iroh/commit/22314a18228799e26de8ba2c0e44b45aec3b2af4))
- *(iroh-net)* Move more server code behind `iroh-relay` feature flag ([#2566](https://github.com/n0-computer/iroh/issues/2566)) - ([1dda2f7](https://github.com/n0-computer/iroh/commit/1dda2f7ab706cf794d2c8f4e6b47b24caf2f1c78))
- *(iroh-net)* [**breaking**] Improve server modules structure & rename structs ([#2568](https://github.com/n0-computer/iroh/issues/2568)) - ([29d2e82](https://github.com/n0-computer/iroh/commit/29d2e82a577ebc8cb4029c0df0138fe662031d5c))
- *(iroh-net)* Switch to (now stable) `IpAddr::to_canonical` ([#2569](https://github.com/n0-computer/iroh/issues/2569)) - ([7fdd6cb](https://github.com/n0-computer/iroh/commit/7fdd6cb64f24c908862ccdf59fb5ca466e0b508f))

### 📚 Documentation

- *(iroh)* Add documentations and examples for the `iroh::node::Client` ([#2582](https://github.com/n0-computer/iroh/issues/2582)) - ([55836fa](https://github.com/n0-computer/iroh/commit/55836fa5ca56fe6964be52046bb0c7f77e62b647))
- *(iroh-cli)* Point to the configuration refernce from each iroh subcommand ([#2571](https://github.com/n0-computer/iroh/issues/2571)) - ([8e4e586](https://github.com/n0-computer/iroh/commit/8e4e586cece3968700a13562058f3a5c152c1805))
- Fix typos discovered by codespell ([#2534](https://github.com/n0-computer/iroh/issues/2534)) - ([8435a45](https://github.com/n0-computer/iroh/commit/8435a45e3ee273d5a8dcb083eadc333426024b8b))
- Update description in cargo.toml - ([7259ab5](https://github.com/n0-computer/iroh/commit/7259ab584d509bde8f45654700a4bd9e74e4405c))

### 🧪 Testing

- *(iroh-blobs)* Comment out ignored test (that is not a flaky test) ([#2559](https://github.com/n0-computer/iroh/issues/2559)) - ([15f36b3](https://github.com/n0-computer/iroh/commit/15f36b373ec3dc86d9a81caeef54f8a165c10001))
- *(iroh-cli)* Update to new api ([#2549](https://github.com/n0-computer/iroh/issues/2549)) - ([f97c1c0](https://github.com/n0-computer/iroh/commit/f97c1c0858161a8c0e0f64b862aaceea0035d371))
- *(iroh-cli)* Remove flaky mark from 5 tests and improve logs ([#2562](https://github.com/n0-computer/iroh/issues/2562)) - ([14fccee](https://github.com/n0-computer/iroh/commit/14fcceed53e9633402ba1b978f2002901b615ba8))
- *(iroh-cli)* Reduce flakyness of cli_provide_file_resume ([#2563](https://github.com/n0-computer/iroh/issues/2563)) - ([f085e63](https://github.com/n0-computer/iroh/commit/f085e633c82531b7d24a70703ae48a2562eccfdd))
- *(iroh-cli)* Make cli resumption tests not flaky ([#2564](https://github.com/n0-computer/iroh/issues/2564)) - ([9e6b1e0](https://github.com/n0-computer/iroh/commit/9e6b1e0897b15ea7096c95143e11e09e948c862e))
- *(iroh-net)* Increase timeout for local swarm discovery test ([#2574](https://github.com/n0-computer/iroh/issues/2574)) - ([605a85d](https://github.com/n0-computer/iroh/commit/605a85d9c121f8d2b48f91c2eb1e86cfa451bd22))

### ⚙️ Miscellaneous Tasks

- *(iroh-net)* Remove need for relay info in best_addr ([#2579](https://github.com/n0-computer/iroh/issues/2579)) - ([d662bfc](https://github.com/n0-computer/iroh/commit/d662bfc663ad956bbb38716bd5b8022a699bfce4))
- Fix clippy warnings ([#2550](https://github.com/n0-computer/iroh/issues/2550)) - ([73de21b](https://github.com/n0-computer/iroh/commit/73de21b35d6b83def03f51caca06c1931ea8ee77))
- Generate docs for each PR ([#2547](https://github.com/n0-computer/iroh/issues/2547)) - ([0812333](https://github.com/n0-computer/iroh/commit/081233357d4dbe0cabe890009d674839d9de18be))

### Ref

- *(iroh-net)* Don't write the match as fully exhaustive ([#2585](https://github.com/n0-computer/iroh/issues/2585)) - ([43ef8b6](https://github.com/n0-computer/iroh/commit/43ef8b6e87048f7f28ddb4c2b97d7bf4fe853b90))