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 4.3.4
• cachetools changes from 7.2.0 to 7.2.1
• charset-normalizer changes from 3.5.1 to 3.5.2
• django changes from 5.2.17 to 5.2.18
• djangorestframework changes from 3.18.1 to 3.18.3
• dnspython changes from 2.8.0 to 2.9.0
• edx-ccx-keys changes from 2.0.2 to 2.1.0
• edx-django-utils changes from 8.0.2 to 8.1.0
• edx-opaque-keys[django] changes from 4.0.0 to 4.0.1
• faker changes from 40.40.0 to 40.43.0
• fastavro changes from 1.12.2 to 1.13.1
• filelock changes from 4.0.6 to 4.1.1
• iniconfig changes from 2.3.0 to 2.3.1
• markupsafe changes from 3.0.3 to 3.0.4
• pip-tools changes from 7.6.1 to 7.6.2
• platformdirs changes from 4.12.1 to 4.13.0
• pycparser changes from 3.0 to 3.11
• pylint changes from 4.0.9 to 4.1.3
• pymongo changes from 4.18.2 to 4.18.3
• pyproject-api changes from 1.11.2 to 1.11.5
• python-discovery changes from 1.6.1 to 1.6.2
• python-slugify changes from 9.1.2 to 9.1.3
• pytz changes from 2026.4 to 2026.5
• tox changes from 4.64.4 to 4.65.4
• typer changes from 0.27.2 to 0.27.3
• virtualenv changes from 21.13.0 to 21.14.7

[edx-requirements-bot]

These Packages need manual review..

• [MAJOR] soupsieve changes from 2.10 to 3.0.3

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.82%. Comparing base (b6eee79) to head (9f0f41e).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #379   +/-   ##
=======================================
  Coverage   95.82%   95.82%           
=======================================
  Files          23       23           
  Lines        3069     3069           
  Branches      128      128           
=======================================
  Hits         2941     2941           
  Misses        115      115           
  Partials       13       13           

Flag	Coverage Δ
unittests	95.82% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.