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.

• astroid changes from 4.0.4 to 4.3.3
• charset-normalizer changes from 3.5.1 to 3.5.2
• cryptography changes from 50.0.1 to 50.0.2
• edx-django-utils changes from 8.0.2 to 8.1.0
• edx-opaque-keys changes from 4.0.0 to 4.0.1
• faker changes from 40.39.0 to 40.40.0
• filelock changes from 4.0.4 to 4.0.10
• isort changes from 9.0.1 to 9.0.2
• markupsafe changes from 3.0.3 to 3.0.4
• platformdirs changes from 4.12.0 to 4.12.3
• pyjwt[crypto] changes from 2.15.0 to 2.15.1
• pylint changes from 4.0.9 to 4.1.2
• pyproject-api changes from 1.11.2 to 1.11.3
• rpds-py changes from 2026.6.3 to 2026.9.1
• tox changes from 4.64.4 to 4.64.8
• virtualenv changes from 21.13.0 to 21.14.5