* Add Django 4.1 to test matrix
* Add Flask 2.2 to test matrix, fix Flask 2.1

The Flask 2.1 test was actually testing Flask 2.0

- Adjusted Flask support (`>=2.0,<2.3`)
- Adjusted Sanic support (`>=21,<23`)
- added support for Django 4.2
- validated Python 3.11 compatibility
- make code changes to account for new framework support
- alphabetized author list
- updated changelog

* Add Django 4.2 classifier
* Update docs copyright
* Use default language 'en'
* Cleanup commands
* Ignore Redis dump file
* Remove 3.11 from Django 3.2
* Remove Django-specific options from pytest.ini
* Calculate copyright year range
* Switch to .readthedocs.yaml

* Limit werkzeug version for old Flasks

* Limit version of flask-sqlalchemy too

* Log checks messages in heartbeat view

This implements ``monitoring-heartbeat-error`` of our https://mozilla.github.io/syseng-pod/quality-standards/

* @grahamalama review

* Add central check registry / runner

* Add pytest fixture to automatically clear check registry

* Use centralized check registry in Flask

* Use centralized check registry in Sanic

* Use correct path for django test urlconf

* Delete Django level_to_text helper

* Delete commented-out default Django check

* Refactor reset_checks django fixture

- remove version check
- autouse so that checks are cleared after every test run

* Use centralized check runner in Django

* Tests for running checks

* Add flask tests for registering migration check with app

* Adjust wording in docstring and logs

* Remove superfluous return

* Restore legacy methods with deprecation warning

* Rename init_check to register_partial

* Fix posargs passing to pytest

* Remove problematic test

* Revert "Remove problematic test"

This reverts commit 80ef729.

* Use a fixture to add logger handlers for request.summary

* Reset logging before loading ini

* Run black 24.1a1

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Co-authored-by: Mathieu Leplatre <mathieu@mozilla.com>

* Add Django 5.0 to the list of supported Django versions

fixes #90

* Update changelog

* Adjust version number