Bump langchain in /community/oran-chatbot-multimodal

Bumps [langchain](https://github.com/langchain-ai/langchain) from 0.0.345 to 0.3.30.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@v0.0.345...langchain==0.3.30)

---
updated-dependencies:
- dependency-name: langchain
  dependency-version: 0.3.30
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

community/oran-chatbot-multimodal/evals/requirements.txt

@@ -1,4 +1,4 @@
-langchain==0.0.345
+langchain==0.3.30
 tritonclient[all]==2.39.0
 unstructured[all-docs]==0.11.2
 sentence-transformers==2.2.2

community/oran-chatbot-multimodal/requirements.txt

@@ -8,7 +8,7 @@ fastapi==0.104.1
 huggingface_hub==0.25
 gspread==6.0.0
 jupyterlab==4.0.8
-langchain==0.2.5
+langchain==0.3.30
 langchain-community==0.2.5
 langchain-core==0.2.7
 langchain-nvidia-ai-endpoints==0.1.6