Upgrade FastAPI to 0.116.1 to fix starlette dependency issue

Co-authored-by: pamelafox <297042+pamelafox@users.noreply.github.com>

Author: Copilot

requirements.txt

@@ -4,7 +4,7 @@
 
 azure-functions>=1.12.0
 py-staticmaps==0.4.0
-fastapi==0.114.2
+fastapi==0.116.1
 Pillow==9.5.0
 nest-asyncio==1.6.0
 opentelemetry-instrumentation-fastapi==0.48b0