### Internal
+* 🔒️ Improve GitHub actions security. PR [#15607](https://github.com/fastapi/fastapi/pull/15607) by [@YuriiMotov](https://github.com/YuriiMotov).
* ⚰️ Remove ruff and coverage ignores for non-existing files. PR [#15610](https://github.com/fastapi/fastapi/pull/15610) by [@YuriiMotov](https://github.com/YuriiMotov).
* ✅ Use custom `changing_dir` instead of `CLIRunner.isolated_filesystem` to set working dir. PR [#15616](https://github.com/fastapi/fastapi/pull/15616) by [@YuriiMotov](https://github.com/YuriiMotov).
* ✅ Add `httpx2` test dependency to avoid deprecation warning. PR [#15603](https://github.com/fastapi/fastapi/pull/15603) by [@YuriiMotov](https://github.com/YuriiMotov).