OZG-7324: Fix License Header

collaboration-manager-interface/pom.xml

...rface/src/main/protobuf/collaboration-request.model.proto

...r-interface/src/main/protobuf/collaboration-request.proto

collaboration-manager-server/pom.xml

.../java/de/ozgcloud/collaboration/FachstelleProperties.java

...llaboration/common/file/CollaborationFileGroupMapper.java

...ud/collaboration/common/file/CollaborationFileMapper.java

...d/collaboration/common/file/CollaborationFileService.java

...main/java/de/ozgcloud/collaboration/common/file/File.java

...java/de/ozgcloud/collaboration/common/file/FileGroup.java

...d_item/CollaborationManagerVorgangAttachedItemMapper.java

...ion/common/vorgang/attached_item/VorgangAttachedItem.java

...rgang/attached_item/VorgangAttachedItemRemoteService.java

...mon/vorgang/attached_item/VorgangAttachedItemService.java

...java/de/ozgcloud/collaboration/fachstelle/Fachstelle.java

...e/ozgcloud/collaboration/fachstelle/FachstelleMapper.java

...oud/collaboration/fachstelle/FachstelleRemoteService.java

.../ozgcloud/collaboration/fachstelle/FachstelleService.java

...ollaboration/request/CollaborationRequestGrpcService.java

...zgcloud/collaboration/request/CollaborationRequestId.java