Edx-toggles

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* Added python3.11 and 3.12 support. Dropped django32 support.

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* Fix toggle report to output all settings.

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* Added support for Django 4.2
* Rename toggle_warnings to toggle_warning for consistency with setting_warning.
* Switch from ``edx-sphinx-theme`` to ``sphinx-book-theme`` since the former is
deprecated

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* BREAKING CHANGE: Removed LegacyWaffle* classes. Although this is a breaking change, all known uses have already been fixed.
* Handle the case where certain toggle names come in as ``None`` when generating summary reports.
* Add ADR for updating annotations for toggle life expectancy and use cases.

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Removed
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* Removed Django22, 30, 31

Added
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* Added Django40 support in CI

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* Added support for django3.0, 3.1 and 3.2