chore: Upgrade Python requirements

[edx-requirements-bot]

Python requirements update. Please review the changelogs for the upgraded packages.

Deleted obsolete pull_requests:
#236

[edx-requirements-bot]

List of packages in the PR without any issue.

• boto3 changes from 1.41.2 to 1.42.29
• botocore changes from 1.41.2 to 1.42.29
• build changes from 1.3.0 to 1.4.0
• cachetools changes from 6.2.2 to 6.2.4
• coverage[toml] changes from 7.12.0 to 7.13.1
• django changes from 5.2.8 to 5.2.10
• filelock changes from 3.20.0 to 3.20.3
• pip changes from 25.2 to 25.3
• platformdirs changes from 4.5.0 to 4.5.1
• pylint-django changes from 2.6.1 to 2.7.0
• pytest changes from 9.0.1 to 9.0.2
• s3transfer changes from 0.15.0 to 0.16.0
• sqlparse changes from 0.5.3 to 0.5.5
• tomlkit changes from 0.13.3 to 0.14.0
• tox changes from 4.32.0 to 4.34.1
• tzdata changes from 2025.2 to 2025.3
• urllib3 changes from 2.5.0 to 2.6.3
• virtualenv changes from 20.35.4 to 20.36.1
• xblock[django] changes from 5.2.0 to 5.3.0

[edx-requirements-bot]

These Packages need manual review..

• [MAJOR] astroid changes from 3.3.11 to 4.0.3
• [MAJOR] certifi changes from 2025.11.12 to 2026.1.4
• [MAJOR] isort changes from 6.1.0 to 7.0.0
• [MAJOR] pylint changes from 3.3.9 to 4.0.4