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.

• boto3 changes from 1.43.51 to 1.43.56
• botocore changes from 1.43.51 to 1.43.56
• cachetools changes from 7.1.4 to 7.1.6
• certifi changes from 2026.6.17 to 2026.7.22
• diff-cover changes from 10.3.0 to 10.4.1
• filelock changes from 3.31.0 to 3.32.0
• hypothesis changes from 6.156.8 to 6.161.5
• platformdirs changes from 4.10.1 to 4.11.0
• pydata-sphinx-theme changes from 0.16.1 to 0.20.0
• pyproject-api changes from 1.10.1 to 1.11.0
• python-discovery changes from 1.4.4 to 1.5.0
• pytz changes from 2026.2 to 2026.3.post1
• s3transfer changes from 0.19.1 to 0.19.2
• soupsieve changes from 2.8.4 to 2.9.1
• sphinx-book-theme changes from 1.2.0 to 1.4.0
• tox changes from 4.57.0 to 4.58.0
• tox-uv changes from 1.35.2 to 1.36.0
• tox-uv-bare changes from 1.35.2 to 1.36.0
• uv changes from 0.11.29 to 0.11.32
• virtualenv changes from 21.6.1 to 21.7.0