chore(deps): update dependency starlette to v1.3.1 [security]

Author: renovate[bot]

backend/requirements.txt

@@ -43,7 +43,7 @@ shellingham==1.5.4
 six==1.17.0
 slowapi==0.1.9
 sqlalchemy==2.0.50
-starlette==1.0.1
+starlette==1.3.1
 typer==0.26.4
 typing-extensions==4.15.0
 typing-inspection==0.4.2