fastapi

fdbd48be - ⬆ Upgrade Starlette to `0.21.0`, including the new [`TestClient` based on HTTPX](https://github.com/encode/starlette/releases/tag/0.21.0) (#5471)

⬆ Upgrade Starlette to `0.21.0`, including the new [`TestClient` based on HTTPX](https://github.com/encode/starlette/releases/tag/0.21.0) (#5471) Co-authored-by: Paweł Rubin <pawel.rubin@ocado.com> Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>