chore: Upgrade Python requirements

[edx-requirements-bot]

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

Deleted obsolete pull_requests:
#64

[edx-requirements-bot]

List of packages in the PR without any issue.

• cachetools changes from 6.0.0 to 6.1.0
• certifi changes from 2025.4.26 to 2025.6.15
• coverage[toml] changes from 7.8.2 to 7.9.1
• cryptography changes from 45.0.3 to 45.0.4
• diff-cover changes from 9.3.1 to 9.4.1
• django changes from 4.2.21 to 4.2.23
• jaraco-functools changes from 4.1.0 to 4.2.1
• pycodestyle changes from 2.13.0 to 2.14.0
• pygments changes from 2.19.1 to 2.19.2
• pylint-plugin-utils changes from 0.8.2 to 0.9.0
• pytest changes from 8.3.5 to 8.4.1
• pytest-cov changes from 6.1.1 to 6.2.1
• requests changes from 2.32.3 to 2.32.4
• tomlkit changes from 0.13.2 to 0.13.3
• tox changes from 4.26.0 to 4.27.0
• typing-extensions changes from 4.13.2 to 4.14.0

[edx-requirements-bot]

These Packages need manual review..

• [MAJOR] django-waffle changes from 4.2.0 to 5.0.0
• [MAJOR] doc8 changes from 1.1.2 to 2.0.0
• [NEW] pygments (2.19.2) added to the requirements