Bump langchain

Bumps [langchain](https://github.com/langchain-ai/langchain) from 0.2.10 to 0.3.0.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain==0.2.10...langchain==0.3.0)

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

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

Author: dependabot[bot]

cloud-infrastructure/ai-infra-gpu/ai-infrastructure/rag-langchain-vllm-mistral/files/requirements.txt

@@ -47,7 +47,7 @@ jsonpatch==1.33
 jsonpointer==2.4
 jsonschema==4.21.1
 jsonschema-specifications==2023.12.1
-langchain==0.2.10
+langchain==0.3.0
 langchain-community==0.2.9
 langchain-core==0.1.46
 langchain-text-splitters==0.0.1