Grafana-wtf

=================
- CI: Use most recent Grafana 7.5.16, 8.5.6, and 9.0.0
- Fix dashboard exploration when the ``annotations.list`` slot is ``None``
instead of an empty list. Thanks, TaylorMutch!

=================
- Add option to ignore untrusted SSL certificates. Thanks, billabongrob!

=================
- Use ``grafana-client-2.1.0``, remove monkeypatch
- Tests: Improve fixture ``create_datasource`` to clean up afterwards
- Tests: Add fixture ``create_dashboard`` to create dashboards at runtime
- Tests: Disable caching in test mode
- Tests: Make test suite clean up its provisioned assets from Grafana
- Tests: Run Grafana on non-standard port 33333
- Tests: Add flag ``CLEANUP_RESOURCES`` to determine whether to clean up
all resources provisioned to Grafana.
- Tests: Improve test quality, specifically for ``explore dashboards`` on
Grafana 6 vs. Grafana >= 7
- Tests: Make test case for ``explore datasources`` use _two_ data sources
- Tests: Mimic Grafana 7/8 on datasource references within dashboards, newer
versions have objects (uid, type) instead of bare names
- Fix implementation flaw reported at 32. Thanks, IgorOhrimenko and carpenterbees!
- CI: Use most recent Grafana 7.5.15 and 8.4.4

=================
- Switch to the ``grafana-client`` library fork

=================
- CI: Use most recent Grafana 8.3.3
- Add two more examples about using ``explore dashboards`` with ``jq``
- CI: Prepare test suite for testing two different dashboard schema versions, v27 and v33
- Improve determinism by returning stable sort order of dashboard results
- Improve compatibility with Grafana 8.3 by handling dashboard schema version 33 properly
- Reestablish compatibility with Grafana 6
- Confirm compatibility with Grafana 8.3.4

=================
- Rename subcommand ``datasource-breakdown`` to ``explore datasources``
- Add subcommand ``explore dashboards``, e.g. for discovering dashboards using
missing data sources.
- CI/GHA test matrix: Use Grafana 7.5.12 and 8.3.2
- Add subcommand ``info``, to display Grafana version and statistics about all entities
- For ``info`` subcommand, add Grafana ``url`` attribute
- Add example how to print the Grafana version using the ``info`` subcommand
- Add more information about dashboard entities to ``info`` subcommand
- Blackify code base
- Add ``Dockerfile`` and GHA recipe to publish container images to GHCR