Merge pull request #1 from notz/fix-test-data

fix: Test data

fix: Change mailer dns scheme for tests

fix: Rector code style fixes

fix: Rector code style fixes

fix: Function calls

fix: One more code style fix

fix: More code style fixes

fix: Code style fixes

fix: Add missing import of transport callback class

fix: Fix class name in service loader

ci: Correctly name github workflows directory

feat: Initial commit of mautic postal plugin