chore: Upgrade Python requirements

[edx-requirements-bot]

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

Deleted obsolete pull_requests:
#1192

[edx-requirements-bot]

List of packages in the PR without any issue.

• anyio changes from 4.12.1 to 4.13.0
• build changes from 1.4.0 to 1.4.2
• celery changes from 5.6.2 to 5.6.3
• chardet changes from 7.1.0 to 7.4.0.post2
• charset-normalizer changes from 3.4.5 to 3.4.7
• click changes from 8.3.1 to 8.3.2
• confluent-kafka[avro] changes from 2.13.2 to 2.14.0
• coverage[toml] changes from 7.13.4 to 7.13.5
• cryptography changes from 46.0.5 to 46.0.6
• datadog-api-client changes from 2.52.0 to 2.53.0
• ddtrace changes from 4.5.4 to 4.6.5
• jaraco-context changes from 6.1.1 to 6.1.2
• nh3 changes from 0.3.3 to 0.3.4
• pygments changes from 2.19.2 to 2.20.0
• pytest-cov changes from 7.0.0 to 7.1.0
• python-discovery changes from 1.1.3 to 1.2.1
• requests changes from 2.32.5 to 2.33.1
• sphinx changes from 9.0.4 to 9.1.0
• tox changes from 4.49.1 to 4.52.0

[edx-requirements-bot]

These Packages need manual review..

• [MAJOR] attrs changes from 25.4.0 to 26.1.0
• [REMOVED] backports-tarfile (1.2.0) removed from the requirements
• [MAJOR] code-annotations changes from 2.3.2 to 3.0.0
• [MAJOR] edx-opaque-keys[django] changes from 3.1.0 to 4.0.0
• [MAJOR] more-itertools changes from 10.8.0 to 11.0.1
• [MAJOR] openedx-events changes from 10.5.0 to 11.1.0
• [MAJOR] tzdata changes from 2025.3 to 2026.1

[edx-requirements-bot]

Closing obsolete PR.