build(deps): bump python-multipart from 0.0.9 to 0.0.20

Bumps [python-multipart](https://github.com/Kludex/python-multipart) from 0.0.9 to 0.0.20.
- [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...0.0.20)

---
updated-dependencies:
- dependency-name: python-multipart
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,6 +1,6 @@
 aiofiles==24.1.0
 Jinja2==3.1.4
-python-multipart==0.0.9
+python-multipart==0.0.20
 starlette==0.41.2
 uvicorn[standard]==0.34.0; platform_machine == 'x86_64'
 uvicorn==0.34.0; platform_machine != 'x86_64'