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.

• authlib changes from 1.6.5 to 1.6.6
• beautifulsoup4 changes from 4.14.2 to 4.14.3
• billiard changes from 4.2.3 to 4.2.4
• cachetools changes from 6.2.2 to 6.2.4
• celery changes from 5.5.3 to 5.6.0
• coverage[toml] changes from 7.12.0 to 7.13.0
• datadog-api-client changes from 2.46.0 to 2.48.0
• ddtrace changes from 4.0.0 to 4.1.0
• django changes from 5.2.8 to 5.2.9
• docutils changes from 0.22.3 to 0.22.4
• filelock changes from 3.20.0 to 3.20.1
• kombu changes from 5.5.4 to 5.6.1
• opentelemetry-api changes from 1.38.0 to 1.39.1
• pip changes from 25.2 to 25.3
• platformdirs changes from 4.5.0 to 4.5.1
• pymongo changes from 4.15.4 to 4.15.5
• pytest changes from 9.0.1 to 9.0.2
• soupsieve changes from 2.8 to 2.8.1
• sqlparse changes from 0.5.4 to 0.5.5
• tzdata changes from 2025.2 to 2025.3
• urllib3 changes from 2.5.0 to 2.6.2

[edx-requirements-bot]

These Packages need manual review..

• [MAJOR] diff-cover changes from 9.7.2 to 10.0.0
• [NEW] exceptiongroup (1.3.1) added to the requirements
• [NEW] roman-numerals (4.1.0) added to the requirements
• [REMOVED] roman-numerals-py (3.1.0) removed from the requirements
• [MAJOR] sphinx changes from 8.2.3 to 9.0.4
• [NEW] typing-extensions (4.15.0) added to the requirements
• [NEW] tzlocal (5.3.1) added to the requirements

[edx-requirements-bot]

Closing obsolete PR.