Bump the python-updates group with 2 updates

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


Updates `flake8` from 7.1.2 to 7.2.0
- [Commits](PyCQA/flake8@7.1.2...7.2.0)

Updates `rich` from 13.9.4 to 14.0.0
- [Release notes](https://github.com/Textualize/rich/releases)
- [Changelog](https://github.com/Textualize/rich/blob/master/CHANGELOG.md)
- [Commits](Textualize/rich@v13.9.4...v14.0.0)

---
updated-dependencies:
- dependency-name: flake8
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python-updates
- dependency-name: rich
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: python-updates
...

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

Author: dependabot[bot]

install/testing_requirements.txt

@@ -1,4 +1,4 @@
-flake8==7.1.2
+flake8==7.2.0
 coverage>=7.5
 pytest==8.3.5
 pytest-cov==6.0.0
@@ -8,4 +8,4 @@ python-dateutil==2.9.0.post0
 anyio==4.9.0
 matplotlib==3.10.1
 mpmath==1.3.0
-rich==13.9.4
+rich==14.0.0