Update dependency langserve to v0.3.1 (#2040)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [langserve](https://redirect.github.com/langchain-ai/langserve) |
dependencies | minor | `0.2.3` -> `0.3.1` |

---

> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.

---

### Release Notes

<details>
<summary>langchain-ai/langserve (langserve)</summary>

###
[`v0.3.1`](https://redirect.github.com/langchain-ai/langserve/releases/tag/v0.3.1)

[Compare
Source](https://redirect.github.com/langchain-ai/langserve/compare/v0.3.0...v0.3.1)

##### What's Changed

- examples: update clients by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/768](https://redirect.github.com/langchain-ai/langserve/pull/768)
- Update README by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/769](https://redirect.github.com/langchain-ai/langserve/pull/769)
- Update README.md by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/771](https://redirect.github.com/langchain-ai/langserve/pull/771)
- Update README.md by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/773](https://redirect.github.com/langchain-ai/langserve/pull/773)
- migration guide by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/787](https://redirect.github.com/langchain-ai/langserve/pull/787)
- docs: update local link in readme by
[@&#8203;ccurme](https://redirect.github.com/ccurme) in
[https://github.com/langchain-ai/langserve/pull/788](https://redirect.github.com/langchain-ai/langserve/pull/788)
- Update MIGRATION.md by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/789](https://redirect.github.com/langchain-ai/langserve/pull/789)
- Update .clabot by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/793](https://redirect.github.com/langchain-ai/langserve/pull/793)
- docs: Remove templates in readme by
[@&#8203;Mingqi2](https://redirect.github.com/Mingqi2) in
[https://github.com/langchain-ai/langserve/pull/792](https://redirect.github.com/langchain-ai/langserve/pull/792)
- Update .clabot by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/800](https://redirect.github.com/langchain-ai/langserve/pull/800)
- update ssl verifying part to work with httpx 0.28.0 by
[@&#8203;xxsl](https://redirect.github.com/xxsl) in
[https://github.com/langchain-ai/langserve/pull/798](https://redirect.github.com/langchain-ai/langserve/pull/798)
- Update \_lint.yml by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/802](https://redirect.github.com/langchain-ai/langserve/pull/802)
- lint by [@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/803](https://redirect.github.com/langchain-ai/langserve/pull/803)
- Release 0.3.1 by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/801](https://redirect.github.com/langchain-ai/langserve/pull/801)
- ci: add workflow dispatch to \_release by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/805](https://redirect.github.com/langchain-ai/langserve/pull/805)

##### New Contributors

- [@&#8203;Mingqi2](https://redirect.github.com/Mingqi2) made their
first contribution in
[https://github.com/langchain-ai/langserve/pull/792](https://redirect.github.com/langchain-ai/langserve/pull/792)
- [@&#8203;xxsl](https://redirect.github.com/xxsl) made their first
contribution in
[https://github.com/langchain-ai/langserve/pull/798](https://redirect.github.com/langchain-ai/langserve/pull/798)

**Full Changelog**:
langchain-ai/langserve@v0.3.0...v0.3.1

###
[`v0.3.0`](https://redirect.github.com/langchain-ai/langserve/releases/tag/v0.3.0)

[Compare
Source](https://redirect.github.com/langchain-ai/langserve/compare/v0.2.3...v0.3.0)

##### What's Changed

- Update unit tests to catch up with langchain-core by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/743](https://redirect.github.com/langchain-ai/langserve/pull/743)
- upgrade to pydantic 2 by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/744](https://redirect.github.com/langchain-ai/langserve/pull/744)
- migrate examples to pydantic 2 by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/745](https://redirect.github.com/langchain-ai/langserve/pull/745)
- chat-playground: update to handle oneOf (resulted from pydantic
upgrade) by [@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/746](https://redirect.github.com/langchain-ai/langserve/pull/746)
- update default playground to handle oneOf type by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/747](https://redirect.github.com/langchain-ai/langserve/pull/747)
- 0.3.0.dev1 release by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/748](https://redirect.github.com/langchain-ai/langserve/pull/748)
- resolve more warnings in unit tests by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/752](https://redirect.github.com/langchain-ai/langserve/pull/752)
- first pass at removing deprecated usaged by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/751](https://redirect.github.com/langchain-ai/langserve/pull/751)
- update claude model in examples by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/750](https://redirect.github.com/langchain-ai/langserve/pull/750)
- more run time warnings by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/753](https://redirect.github.com/langchain-ai/langserve/pull/753)
- Update doc-string, remove unused function by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/754](https://redirect.github.com/langchain-ai/langserve/pull/754)
- update serialization to work with older pydantic versions by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/756](https://redirect.github.com/langchain-ai/langserve/pull/756)
- serialization fix for defaults by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/757](https://redirect.github.com/langchain-ai/langserve/pull/757)
- Release 0.3.0dev2 by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/758](https://redirect.github.com/langchain-ai/langserve/pull/758)
- add ability to control version of astream events API by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/760](https://redirect.github.com/langchain-ai/langserve/pull/760)
- improve error messages when models fail to hash by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/762](https://redirect.github.com/langchain-ai/langserve/pull/762)
- mark include callback events as a beta api by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/761](https://redirect.github.com/langchain-ai/langserve/pull/761)
- propagate astream events from add_route by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/763](https://redirect.github.com/langchain-ai/langserve/pull/763)
- Fix issue with callback events sent from server by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/765](https://redirect.github.com/langchain-ai/langserve/pull/765)
- Add ability to specify custom serializer by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/764](https://redirect.github.com/langchain-ai/langserve/pull/764)
- v0.3 release by
[@&#8203;eyurtsev](https://redirect.github.com/eyurtsev) in
[https://github.com/langchain-ai/langserve/pull/767](https://redirect.github.com/langchain-ai/langserve/pull/767)

**Full Changelog**:
langchain-ai/langserve@v0.2.3...v0.3.0

</details>

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