Bump python-multipart from 0.0.17 to 0.0.18 in /src/mcp_server

Bumps [python-multipart](https://github.com/Kludex/python-multipart) from 0.0.17 to 0.0.18.
- [Release notes](https://github.com/Kludex/python-multipart/releases)
- [Changelog](https://github.com/Kludex/python-multipart/blob/master/CHANGELOG.md)
- [Commits](Kludex/python-multipart@0.0.17...0.0.18)

---
updated-dependencies:
- dependency-name: python-multipart
  dependency-version: 0.0.18
  dependency-type: direct:production
...

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Author: dependabot[bot]

src/mcp_server/pyproject.toml

@@ -21,7 +21,7 @@ dependencies = [
   "azure-identity==1.19.0",
   "pydantic==2.11.7",
   "pydantic-settings==2.6.1",
-  "python-multipart==0.0.17",
+  "python-multipart==0.0.18",
   "httpx==0.28.1",
 ]