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.

• cachetools changes from 7.1.4 to 7.1.6
• certifi changes from 2026.6.17 to 2026.7.22
• filelock changes from 3.31.0 to 3.32.0
• hypothesis changes from 6.157.0 to 6.161.5
• platformdirs changes from 4.10.1 to 4.11.0
• pyproject-api changes from 1.10.1 to 1.11.0
• python-discovery changes from 1.4.4 to 1.5.0
• soupsieve changes from 2.9 to 2.9.1
• tox changes from 4.57.0 to 4.58.0
• virtualenv changes from 21.6.1 to 21.7.0

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.03%. Comparing base (75436a9) to head (267534b).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #460   +/-   ##
=======================================
  Coverage   94.03%   94.03%           
=======================================
  Files          31       31           
  Lines        3068     3068           
  Branches      191      191           
=======================================
  Hits         2885     2885           
  Misses        157      157           
  Partials       26       26           

Flag	Coverage Δ
unittests	94.03% <ø> (ø)

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