chore(deps): bump langchain-community

Bumps [langchain-community](https://github.com/langchain-ai/langchain) from 0.2.19 to 0.3.27.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-community==0.2.19...langchain==0.3.27)

---
updated-dependencies:
- dependency-name: langchain-community
  dependency-version: 0.3.27
  dependency-type: direct:production
...

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

Author: dependabot[bot]

databases/weaviate/docker/chatbot/requirements.txt

@@ -1,7 +1,7 @@
 streamlit==1.38.0
 google-cloud-aiplatform==1.65.0
 langchain==0.2.17
-langchain-community==0.2.19
+langchain-community==0.3.27
 langchain-google-vertexai==1.0.10
 langchain-weaviate==0.0.2
 weaviate-client==4.7.1