deepagents==0.7.20

### Bug Fixes

- Fixed binary content in `StateBackend.upload_files` being tagged as base64.

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**Special thanks** to everyone who reported the issues addressed in this release: @parveshsaini ([#4563](https://github.com/langchain-ai/deepagents/issues/4563))

Internal maintainers: @ccurme

Released by: @mdrxy

<details>
<summary>Git log since deepagents==0.7.19</summary>

This commit history includes changes to this package. Commits are listed newest first.

- [`6bf7802`](https://github.com/langchain-ai/deepagents/commit/6bf780284ec49789613df20d85866a0ad981e579) release(deepagents): 0.7.20 (#6624)
- [`a87e219`](https://github.com/langchain-ai/deepagents/commit/a87e21955cb42c47f1e2ee728a37b76547939567) chore(deps): raise dependency minimums for `all` (#6631)
- [`689898e`](https://github.com/langchain-ai/deepagents/commit/689898e50a0cab7e05b5b81132b7cee4304e0020) chore(deps): raise dependency minimums for `all` (#6628)
- [`b1ebc5b`](https://github.com/langchain-ai/deepagents/commit/b1ebc5bd51aab19c1251197b1b8eb699c85cfc00) fix(sdk): tag binary `StateBackend.upload_files` content as base64 (#6551)
- [`512334f`](https://github.com/langchain-ai/deepagents/commit/512334f09b21e2bb4cf4b039ef5f89752ed42026) chore(deps): raise dependency minimums for `all` (#6548)

</details>