v1.13.7

### Added

- Participant kind agent details (#4809)
- report a reason on room-ended telemetry (#4815)
- telemetry: support roomID change for a participant (#4816)
- log telemetry guard details (#4817)
- ingress: add opt-in support for udp:// URL pull ingress (#4810)
- Support VP9/AV1 simulcast (#4830)
- add test-server support for compressed join requests (#4834)
- wire psrpc bus compression into the message bus constructor (#4844)
- turn: accept PROXY protocol on the TCP listener (#4852)
- telemetry: add visibility into stats worker reference underflow (#4856)
- rtc: add GetSubscribedDataTracks to LocalParticipant (#4862)

### Changed

- Skip the docker-backed service tests when there is no docker (#4799)
- Wait for the callbacks these tests assert on. (#4803)
- utils: make Median generic, overflow-safe, and add tests (#4553)
- warp log (#4811)
- Remove duplication within cpuload and sysload (#4818)
- Update github.com/livekit/protocol digest to a469dd4 (#4820)
- update ice fork for warp (#4824)
- Move data track packet serialization to protocol (#4829)
- Update README to include snippet about Agents (#4808)
- protocol update for SDP unmarshal hardening (#4836)
- Update golang Docker tag to v1.26.7 (#4846)
- README rewrite (#4837)

### Fixed

- Set up track info properly for dummy receiver. (#4807)
- Do not escape the ICE server URI in the WHIP Link header (#4795)
- fix: hold signal messages until the ReconnectResponse goes out (#4827)
- Fix/reconcile data track subscription deadlock (#4843)
- telemetry: drop unused getCPUStats, unblocking darwin builds without cgo (#4841)
- update psrpc for subscription close goroutine leak fix (#4859)
- telemetry: do not recreate a stats worker for a released guard (#4860)
- Get participant by authed identity in WHIP participant service. (#4861)