Bump langsmith in /ai/gen-ai-agents/assistant-secretary-agent/files

Bumps [langsmith](https://github.com/langchain-ai/langsmith-sdk) from 0.2.11 to 0.7.31.
- [Release notes](https://github.com/langchain-ai/langsmith-sdk/releases)
- [Commits](langchain-ai/langsmith-sdk@v0.2.11...v0.7.31)

---
updated-dependencies:
- dependency-name: langsmith
  dependency-version: 0.7.31
  dependency-type: direct:production
...

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

Author: dependabot[bot]

ai/gen-ai-agents/assistant-secretary-agent/files/local_requirements.txt

@@ -40,7 +40,7 @@ langchain-text-splitters==0.3.9
 langgraph==0.2.62
 langgraph-checkpoint==3.0.0
 langgraph-sdk==0.1.51
-langsmith==0.2.11
+langsmith==0.7.31
 markdown-it-py==3.0.0
 MarkupSafe==3.0.2
 marshmallow==3.26.2