Bump langchain from 0.2.2 to 0.2.10

Bumps [langchain](https://github.com/langchain-ai/langchain) from 0.2.2 to 0.2.10.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain==0.2.2...langchain==0.2.10)

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

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

requirements.txt

@@ -36,7 +36,7 @@ Jinja2==3.1.4
 jsonpatch==1.33
 jsonpointer==2.4
 kiwisolver==1.4.5
-langchain==0.2.2
+langchain==0.2.10
 langchain-community==0.2.9
 langchain-core==0.1.50
 langchain-text-splitters==0.0.1