build(deps): bump python-multipart from 0.0.20 to 0.0.21

Bumps [python-multipart](https://github.com/Kludex/python-multipart) from 0.0.20 to 0.0.21.
- [Release notes](https://github.com/Kludex/python-multipart/releases)
- [Changelog](https://github.com/Kludex/python-multipart/blob/master/CHANGELOG.md)
- [Commits](Kludex/python-multipart@0.0.20...0.0.21)

---
updated-dependencies:
- dependency-name: python-multipart
  dependency-version: 0.0.21
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements.txt

@@ -25,7 +25,7 @@ pydantic_core==2.41.5
 pytest==9.0.2
 python-dotenv==1.2.1
 python-magic==0.4.27
-python-multipart==0.0.20
+python-multipart==0.0.21
 PyYAML==6.0.3
 psycopg2==2.9.11
 requests==2.32.5