chore: Upgrade Python requirements

[edx-requirements-bot]

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

Deleted obsolete pull_requests:
#310

[edx-requirements-bot]

List of packages in the PR without any issue.

• cachetools changes from 7.0.1 to 7.0.5
• charset-normalizer changes from 3.4.4 to 3.4.5
• code-annotations changes from 2.3.0 to 2.3.2
• django changes from 5.2.11 to 5.2.12
• filelock changes from 3.24.3 to 3.25.1
• isort changes from 8.0.0 to 8.0.1
• jaraco-context changes from 6.1.0 to 6.1.1
• lxml-html-clean changes from 0.4.3 to 0.4.4
• platformdirs changes from 4.9.2 to 4.9.4
• setuptools changes from 82.0.0 to 82.0.1
• tox changes from 4.46.0 to 4.49.1

[edx-requirements-bot]

These Packages need manual review..

• [MAJOR] chardet changes from 6.0.0.post1 to 7.0.1
• [MAJOR] edx-i18n-tools changes from 1.9.0 to 2.0.0
• [NEW] python-discovery (1.1.3) added to the requirements
• [NEW] tomli-w (1.2.0) added to the requirements
• [MAJOR] virtualenv changes from 20.39.0 to 21.2.0