chore(deps): bump python-multipart

Bumps the pip group with 1 update in the /runner directory: [python-multipart](https://github.com/Kludex/python-multipart).


Updates `python-multipart` from 0.0.9 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@0.0.9...0.0.18)

---
updated-dependencies:
- dependency-name: python-multipart
  dependency-type: direct:production
  dependency-group: pip
...

Signed-off-by: dependabot[bot] <[email protected]>

runner/requirements.txt

@@ -4,7 +4,7 @@ transformers==4.43.1
 fastapi==0.111.0
 pydantic==2.7.2
 Pillow==10.3.0
-python-multipart==0.0.9
+python-multipart==0.0.18
 uvicorn==0.30.0
 setuptools==71.1.0
 torch --index-url https://download.pytorch.org/whl/cu121