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.

• asgiref changes from 3.11.0 to 3.11.1
• astroid changes from 4.0.3 to 4.0.4
• cachetools changes from 7.0.0 to 7.0.1
• certifi changes from 2026.1.4 to 2026.2.25
• coverage[toml] changes from 7.13.2 to 7.13.4
• cryptography changes from 46.0.4 to 46.0.5
• django changes from 5.2.10 to 5.2.11
• filelock changes from 3.20.3 to 3.24.3
• id changes from 1.5.0 to 1.6.1
• nh3 changes from 0.3.2 to 0.3.3
• pip changes from 26.0 to 26.0.1
• platformdirs changes from 4.5.1 to 4.9.2
• pylint changes from 4.0.4 to 4.0.5
• rich changes from 14.3.2 to 14.3.3
• stevedore changes from 5.6.0 to 5.7.0
• tox changes from 4.34.1 to 4.46.3

[edx-requirements-bot]

These Packages need manual review..

• [MAJOR] chardet changes from 5.2.0 to 6.0.0.post1
• [REMOVED] chardet (5.2.0) removed from the requirements
• [MAJOR] isort changes from 7.0.0 to 8.0.0
• [NEW] python-discovery (1.1.0) added to the requirements
• [MAJOR] setuptools changes from 80.10.2 to 82.0.0
• [MAJOR] virtualenv changes from 20.36.1 to 21.0.0