chore: Upgrade Python requirements

[edx-requirements-bot]

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

Deleted obsolete pull_requests:
#294

[edx-requirements-bot]

List of packages in the PR without any issue.

• cachetools changes from 7.1.4 to 7.1.8
• coverage changes from 7.15.2 to 7.16.1
• django - python_full_version < '3.13' changes from 5.2.16 to 5.2.17
• django - python_full_version >= '3.13' changes from 5.2.16 to 5.2.17
• filelock changes from 3.30.2 to 3.32.6
• lxml changes from 6.1.1 to 6.1.3
• mako changes from 1.3.12 to 1.4.1
• packaging changes from 26.2 to 26.3
• platformdirs changes from 4.10.0 to 4.11.8
• pygments changes from 2.20.0 to 2.21.0
• pymongo changes from 4.17.0 to 4.18.1
• pyproject-api changes from 1.10.1 to 1.11.0
• python-discovery changes from 1.4.4 to 1.6.0
• pytz changes from 2026.2 to 2026.3.post1
• simplejson changes from 4.1.1 to 4.1.2
• sqlparse changes from 0.5.5 to 0.6.0
• stevedore changes from 5.9.0 to 5.9.1
• tox changes from 4.56.4 to 4.61.4
• tox-uv changes from 1.35.2 to 1.36.0
• tox-uv-bare changes from 1.35.2 to 1.36.0
• tzdata changes from 2026.3 to 2026.4
• uv changes from 0.11.29 to 0.12.13
• virtualenv changes from 21.6.1 to 21.7.9
• webob changes from 1.8.10 to 1.8.11
• xblock changes from 6.3.1 to 6.3.3

[edx-requirements-bot]

These Packages need manual review..

• [MAJOR] setuptools changes from 83.0.0 to 84.0.0

[edx-requirements-bot]

Closing obsolete PR.