build(deps): bump mcp from 2.0.0 to 2.1.1

Bumps [mcp](https://github.com/modelcontextprotocol/python-sdk) from 2.0.0 to 2.1.1.
- [Release notes](https://github.com/modelcontextprotocol/python-sdk/releases)
- [Changelog](https://github.com/modelcontextprotocol/python-sdk/blob/main/RELEASE.md)
- [Commits](modelcontextprotocol/python-sdk@v2.0.0...v2.1.1)

---
updated-dependencies:
- dependency-name: mcp
  dependency-version: 2.1.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -12,7 +12,7 @@ pytest==9.1.1
 phonenumbers==9.0.36
 cryptography==50.0.0
 cvss==3.6
-mcp==2.0.0
+mcp==2.1.1
 mcp-types==2.0.0
 pyjwt==2.13.0
 pydantic-settings==2.15.0