chore(deps): bump langchain-community from 0.3.29 to 0.3.31

Bumps [langchain-community](https://github.com/langchain-ai/langchain) from 0.3.29 to 0.3.31.
- [Release notes](https://github.com/langchain-ai/langchain/releases)
- [Commits](langchain-ai/langchain@langchain-core==0.3.29...langchain-core==0.3.31)

---
updated-dependencies:
- dependency-name: langchain-community
  dependency-version: 0.3.31
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

poetry.lock

@@ -15,7 +15,7 @@ fastapi = "^0.116.2"
 nc-py-api = {extras = ["app"], version = "0.*"}
 langchain = "^0.3.27"
 niquests = "^3.15.2"
-langchain-community = "^0.3.24"
+langchain-community = "^0.3.31"
 llama-cpp-python = "^0.3.14"