chore(deps): bump langchain-community from 0.3.27 to 0.4.1

Bumps [langchain-community](https://github.com/langchain-ai/langchain) from 0.3.27 to 0.4.1.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](https://github.com/langchain-ai/langchain/commits)

---
updated-dependencies:
- dependency-name: langchain-community
  dependency-version: 0.4.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements/base.txt

@@ -1,7 +1,7 @@
 
 isort==6.0.1
 langchain==0.3.27
-langchain-community==0.3.27
+langchain-community==0.4.1
 langchain-core==0.3.72
 langchain-experimental==0.3.4
 langchain-openai==1.0.1