chore: fastapi bump

backend/requirements.txt

@@ -1,5 +1,5 @@
-fastapi==0.115.7
-uvicorn[standard]==0.35.0
+fastapi==0.118.0
+uvicorn[standard]==0.37.0
 pydantic==2.11.9
 python-multipart==0.0.20
 itsdangerous==2.2.0