Merge remote-tracking branch 'origin/master' into OZG-5058-mongock-setup

Jenkinsfile

src/main/java/de/ozgcloud/admin/RootModelAssembler.java

...cloud/admin/common/errorhandling/ExceptionController.java

...cloud/admin/common/errorhandling/FunctionalException.java

src/main/java/de/ozgcloud/admin/environment/Environment.java

.../de/ozgcloud/admin/environment/EnvironmentController.java

...admin/common/errorhandling/ExceptionControllerITCase.java

...d/admin/common/errorhandling/ExceptionControllerTest.java

...cloud/admin/common/errorhandling/TestErrorController.java

...ozgcloud/admin/environment/EnvironmentControllerTest.java