chore(deps): bump python-multipart in /src/frontend

Bumps [python-multipart](https://github.com/Kludex/python-multipart) from 0.0.27 to 0.0.31.
- [Release notes](https://github.com/Kludex/python-multipart/releases)
- [Changelog](https://github.com/Kludex/python-multipart/blob/main/CHANGELOG.md)
- [Commits](Kludex/python-multipart@0.0.27...0.0.31)

---
updated-dependencies:
- dependency-name: python-multipart
  dependency-version: 0.0.31
  dependency-type: direct:production
...

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

Author: dependabot[bot]

src/frontend/requirements.txt

@@ -4,4 +4,4 @@ uvicorn[standard]==0.35.0
 jinja2==3.1.6
 azure-identity==1.24.0
 python-dotenv==1.2.2
-python-multipart==0.0.27
+python-multipart==0.0.31