Bump langchain-community from 0.0.32 to 0.2.9 in /application (#279)

Bumps [langchain-community](https://github.com/langchain-ai/langchain) from 0.0.32 to 0.2.9.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](https://github.com/langchain-ai/langchain/commits/langchain-community==0.2.9)

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

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

application/requirements.txt

@@ -1,5 +1,5 @@
 langchain==0.1.16
-langchain_community==0.0.32
+langchain_community==0.2.9
 faiss-cpu==1.8.0
 openai==1.17.0
 streamlit==1.37.0