Bump langchain-community from 0.2.6 to 0.2.7 (#4334)

Bumps [langchain-community](https://github.com/langchain-ai/langchain) from 0.2.6 to 0.2.7.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-community==0.2.6...langchain-community==0.2.7)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -3,7 +3,7 @@ beautifulsoup4==4.12.3
 boto3==1.34.144
 imbalanced-learn==0.12.3
 langchain==0.2.7
-langchain-community==0.2.6
+langchain-community==0.2.7
 langchain-openai==0.1.16
 libmozdata==0.2.4
 lmdb==1.5.1