Test edx-django-utils on Python 3.11/3.12

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This repository is a depedency of edx-platform and needs to be upgraded to Python 3.11 before the Redwood release is cut (mid-April).

• [x] Requirements are compiled with Python 3.8
• [x] Tests are run on Python 3.8 and 3.11
• [x] Tests are also run with 3.12 and passing.
• [x] Classifiers in setup.py setup.cfg or pyproject.toml indicate Python 3.11 support
• [x] A new version is release to PyPI
• [x] A PR is merged to edx-platform to use the new version

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3.11 support was add via https://github.com/openedx/edx-django-utils/pull/384

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3.12 support was added via https://github.com/openedx/edx-django-utils/pull/390

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Re-opening until we can confirm it's on edx-platform.

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Merged to edx-platform