chore(deps): bump the langchain group with 2 updates (#1034)

Bumps the langchain group with 2 updates: [langchain](https://github.com/langchain-ai/langchain) and [langchain-community](https://github.com/langchain-ai/langchain).


Updates `langchain` from 0.3.9 to 0.3.11
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain==0.3.9...langchain==0.3.11)

Updates `langchain-community` from 0.3.9 to 0.3.11
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-community==0.3.9...langchain-community==0.3.11)

---
updated-dependencies:
- dependency-name: langchain
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: langchain
- dependency-name: langchain-community
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: langchain
...

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Author: dependabot[bot]