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.

• build changes from 1.4.2 to 1.4.3
• cryptography changes from 46.0.6 to 46.0.7
• librt changes from 0.8.1 to 0.9.0
• platformdirs changes from 4.9.4 to 4.9.6
• pytest changes from 9.0.2 to 9.0.3
• types-cachetools changes from 6.2.0.20260317 to 6.2.0.20260408
• types-pyyaml changes from 6.0.12.20250915 to 6.0.12.20260408
• types-requests changes from 2.33.0.20260402 to 2.33.0.20260408

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.84%. Comparing base (34c67c1) to head (a9f4350).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #417   +/-   ##
=======================================
  Coverage   89.84%   89.84%           
=======================================
  Files          38       38           
  Lines        3103     3103           
  Branches      239      239           
=======================================
  Hits         2788     2788           
  Misses        281      281           
  Partials       34       34           

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