chore: Upgrade Python requirements

[edx-requirements-bot]

Python requirements update. Please review the changelogs for the upgraded packages.

[edx-requirements-bot]

List of packages in the PR without any issue.

• cachetools changes from 7.1.7 to 7.1.8
• coverage[toml] changes from 7.15.4 to 7.16.0
• edx-django-utils changes from 8.0.1 to 8.0.2
• faker changes from 40.37.0 to 40.38.0
• filelock changes from 3.32.4 to 3.32.5
• platformdirs changes from 4.11.5 to 4.11.7
• pylint changes from 4.0.7 to 4.0.8
• python-discovery changes from 1.5.3 to 1.6.0
• tox changes from 4.60.1 to 4.61.2
• virtualenv changes from 21.7.5 to 21.7.8

[edx-requirements-bot]

These Packages need manual review..

• [MAJOR] isort changes from 8.0.1 to 9.0.1
• [NEW] mypy-extensions (1.1.0) added to the requirements