Bump mcp from 1.22.0 to 1.23.0

Bumps [mcp](https://github.com/modelcontextprotocol/python-sdk) from 1.22.0 to 1.23.0.
- [Release notes](https://github.com/modelcontextprotocol/python-sdk/releases)
- [Changelog](https://github.com/modelcontextprotocol/python-sdk/blob/main/RELEASE.md)
- [Commits](modelcontextprotocol/python-sdk@v1.22.0...v1.23.0)

---
updated-dependencies:
- dependency-name: mcp
  dependency-version: 1.23.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -62,7 +62,7 @@ langgraph-prebuilt==1.0.6
 langgraph-sdk==0.3.3
 langsmith==0.6.3
 markdown-it-py==4.0.0
-mcp==1.22.0
+mcp==1.23.0
 mdurl==0.1.2
 mmh3==5.2.0
 mpmath==1.3.0