backerymails 8.x-2.2

## [2.2.0] - 2022-10-21
### Added
- add coverage for Drupal 9.3, 9.4 & 9.5
- add upgrade-status check

### Changed
- update changelog form to follow keep-a-changelog format
- disable deprecation notice PHPUnit
- drop support of drupal 8.8 & 8.9

### Fixed
- fix phpcs null coalesce operator instead of ternary operator
- fixed docker test on CI race-condition database note ready

### Removed
- remove satackey/action-docker-layer-caching on Github Actions
- remove trigger github actions on every pull-request, keep only push

[2.2.0]: https://github.com/antistatique/drupal-backerymails/compare/8.x-2.1...8....