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.

• chardet changes from 7.5.1 to 7.6.0
• charset-normalizer changes from 3.4.9 to 3.5.1
• filelock changes from 3.32.2 to 3.32.3
• nltk changes from 3.10.2 to 3.10.3
• platformdirs changes from 4.11.1 to 4.11.3
• python-discovery changes from 1.5.1 to 1.5.2
• ruff changes from 0.16.2 to 0.16.3
• sqlparse changes from 0.5.5 to 0.6.0
• tox changes from 4.58.0 to 4.60.0
• uv changes from 0.12.3 to 0.12.5
• virtualenv changes from 21.7.3 to 21.7.4
• webencodings changes from 0.5.1 to 0.6.1