Merge pull request #12253 from open-webui/dependabot/pip/backend/dev/python-multipart-0.0.20

build(deps): bump python-multipart from 0.0.18 to 0.0.20 in /backend

backend/requirements.txt

@@ -1,7 +1,7 @@
 fastapi==0.115.7
 uvicorn[standard]==0.34.0
 pydantic==2.10.6
-python-multipart==0.0.18
+python-multipart==0.0.20
 
 python-socketio==5.11.3
 python-jose==3.4.0