3.0.0

What's Changed

• Add example program examples/team.py. Thanks, @ricmano!
• Improve data source API by adding the _by_uid variants.
• Improve data source API by adding universal datasource.get() method.
• Improve data source API by adding a data source health-check probe.
• Support data source health check endpoint introduced with Grafana 9.
  Thanks, @jangaraj!
• Add gracefulness when using the new data source health check endpoint.
  Apparently, this is not implemented thoroughly for all data source types yet.
• Add new factory methods GrafanaApi.{from_url(),from_env()}.
• Add GrafanaApi.connect() and GrafanaApi.version().
• Data source health check subsystem refactoring, many software tests.
• Improve example programs datasource-health-*
• Add example program datasource-query.py
• Add example program grafanalib-upload-dashboard.py
• Fix endless-loop bug in the search_teams function. Thanks, @changdingfang!
• Set the User-Agent header to grafana-client/{version}
• Don't permit scalar value as JSON request body to the Grafana HTTP API,
  it is always wrong. Thanks, @ricmano!
• Example datasource-health-check: Without --uid option, scan the whole
  Grafana instance
• Data source health check: Be graceful on network read timeouts
• Data source health check: Improve acceptance criteria when probing Prometheus
• Data source health check: Clean up core implementation, add more tests
  Code coverage is now at 100%.
• Add support for "Dashboard Versions" API. Thanks, @DrMxxxxx!
• Add datasource.query_range() and datasource.series() functions
  to retrieve metric values. Thanks, @RalfHerzog!

Full Changelog: 2.3.0...3.0.0