Deps updates (#24581)

* update fastapi and unpin starlette

fastapi 0.116 capped starlette below 0.49, which kept us on a version with several open advisories, the earliest of which is fixed in 0.49.1. fastapi moves to 0.142 and the starlette pin is removed so the latest (1.7.0 today) is pulled in.

fastapi 0.137 and later stopped flattening included routers into app.routes, so the spec generator found no routes to classify and every endpoint failed validation. The generator now reads routes from the routers directly. The spec is regenerated on the new versions.

* pin starlette

docker/main/requirements-wheels.txt

@@ -2,9 +2,9 @@ aiofiles == 25.1.*
 click == 8.5.*
 # FastAPI
 aiohttp == 3.12.*
-starlette == 0.47.*
+starlette == 1.7.*
 starlette-context == 0.5.*
-fastapi[standard-no-fastapi-cloud-cli] == 0.116.*
+fastapi[standard-no-fastapi-cloud-cli] == 0.142.*
 uvicorn == 0.52.*
 slowapi == 0.1.*
 joserfc == 1.6.*