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 4.3.3
• boto3 changes from 1.43.103 to 1.43.108
• botocore changes from 1.43.103 to 1.43.108
• charset-normalizer changes from 3.5.1 to 3.5.2
• coverage changes from 7.16.1 to 7.16.2
• edx-opaque-keys changes from 4.0.0 to 4.0.1
• filelock changes from 4.0.4 to 4.0.10
• isort changes from 9.0.1 to 9.0.2
• markupsafe changes from 3.0.3 to 3.0.4
• platformdirs changes from 4.12.0 to 4.12.3
• pylint changes from 4.0.9 to 4.1.2
• pyproject-api changes from 1.11.2 to 1.11.3
• python-slugify changes from 9.1.1 to 9.1.2
• simplejson changes from 4.1.2 to 4.2.0
• tox changes from 4.64.3 to 4.64.8
• tox-uv changes from 1.36.0 to 1.36.1
• tox-uv-bare changes from 1.36.0 to 1.36.1
• tzdata changes from 2026.4 to 2026.5
• uv changes from 0.12.19 to 0.12.23
• virtualenv changes from 21.13.0 to 21.14.5