build(deps): bump mcp[cli] from 1.22.0 to 1.28.0

Bumps [mcp[cli]](https://github.com/modelcontextprotocol/python-sdk) from 1.22.0 to 1.28.0.
- [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...v1.28.0)

---
updated-dependencies:
- dependency-name: mcp[cli]
  dependency-version: 1.28.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pyproject.toml

@@ -48,7 +48,7 @@ dependencies = [
   "langsmith-fetch==0.3.1",
   "markdown==3.10.2",
   "markdownify==1.2.2",
-  "mcp[cli]==1.22.0",
+  "mcp[cli]==1.28.0",
   "nh3==0.3.5",
   "parable",
   "prompt-toolkit==3.0.52",