OZG-7324: Fix License Header

...src/main/java/de/ozgcloud/document/bescheid/Bescheid.java

...ent/bescheid/BescheidCallContextAttachingInterceptor.java

...a/de/ozgcloud/document/bescheid/BescheidCreatedEvent.java

...va/de/ozgcloud/document/bescheid/BescheidGrpcService.java

...c/main/java/de/ozgcloud/document/bescheid/BescheidId.java

...in/java/de/ozgcloud/document/bescheid/BescheidMapper.java

.../de/ozgcloud/document/bescheid/BescheidRemoteService.java

...n/java/de/ozgcloud/document/bescheid/BescheidRequest.java

.../java/de/ozgcloud/document/bescheid/BescheidResponse.java

...n/java/de/ozgcloud/document/bescheid/BescheidService.java

...a/de/ozgcloud/document/bescheid/BescheidUpdatedEvent.java

...in/java/de/ozgcloud/document/bescheid/SentInfoMapper.java

...r/src/main/java/de/ozgcloud/document/bescheid/UserId.java

...ent/bescheid/attributes/ClientAttributeRemoteService.java

.../document/bescheid/attributes/ClientAttributeService.java

...document/bescheid/binaryfile/BinaryFileRemoteService.java

...cloud/document/bescheid/binaryfile/BinaryFileService.java

...id/common/callcontext/CallContextAuthenticationToken.java

...document/bescheid/common/callcontext/CallContextUser.java

...ument/bescheid/common/callcontext/CurrentUserService.java