Update dependency starlette to ~=0.38.1

Author: renovate[bot]

requirements.txt

@@ -6,7 +6,7 @@ pyyaml~=6.0
 uvicorn~=0.23.2
 python-dotenv~=1.0.0
 fastapi~=0.109.0
-starlette~=0.35.1
+starlette~=0.38.1
 websocket-client~=1.6.1
 apscheduler~=3.10.1
 pillow~=9.5.0