Bump the packages group across 1 directory with 3 updates

Updates the requirements on [fakeredis](https://github.com/cunla/fakeredis-py), [pytest](https://github.com/pytest-dev/pytest) and [pytest-cov](https://github.com/pytest-dev/pytest-cov) to permit the latest version.

Updates `fakeredis` to 2.30.0
- [Release notes](https://github.com/cunla/fakeredis-py/releases)
- [Commits](cunla/fakeredis-py@v2.29.0...v2.30.0)

Updates `pytest` to 8.4.0
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.3.0...8.4.0)

Updates `pytest-cov` to 6.2.1
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v6.1.0...v6.2.1)

---
updated-dependencies:
- dependency-name: fakeredis
  dependency-version: 2.30.0
  dependency-type: direct:development
  dependency-group: packages
- dependency-name: pytest
  dependency-version: 8.4.0
  dependency-type: direct:development
  dependency-group: packages
- dependency-name: pytest-cov
  dependency-version: 6.2.1
  dependency-type: direct:development
  dependency-group: packages
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.dev/requirements_dev.txt

@@ -1,10 +1,10 @@
 debugpy>=1.8.0
-fakeredis~=2.29
+fakeredis~=2.30
 httpx~=0.28.1
 invoke~=2.2
 pre-commit~=4.2
-pytest~=8.3
-pytest-cov~=6.1
+pytest~=8.4
+pytest-cov~=6.2
 
 # httpx is necessary due to the use of fastapi/starlette's TestClient
 # See https://fastapi.tiangolo.com/tutorial/testing/?h=testclient#using-testclient