Bump the python-packages group with 2 updates

Bumps the python-packages group with 2 updates: [pytest](https://github.com/pytest-dev/pytest) and [flake8](https://github.com/pycqa/flake8).


Updates `pytest` from 8.4.0 to 8.4.1
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.4.0...8.4.1)

Updates `flake8` from 7.2.0 to 7.3.0
- [Commits](PyCQA/flake8@7.2.0...7.3.0)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 8.4.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: python-packages
- dependency-name: flake8
  dependency-version: 7.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python-packages
...

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

Author: dependabot[bot]

requirements.txt

@@ -1,6 +1,6 @@
 # Testing dependencies
 #:test
-pytest == 8.4.0
+pytest == 8.4.1
 pytest-timeout == 2.4.0
 flake8 == 7.1.2; python_version <= '3.8'
-flake8 == 7.2.0; python_version >= '3.9'
+flake8 == 7.3.0; python_version >= '3.9'