OZG-3530 [nachrichten-manager] rename directory

lombok.config

pom.xml

...vsh/ozg/mail/attributes/ClientAttributeRemoteService.java

.../de/itvsh/ozg/mail/attributes/ClientAttributeService.java

...itvsh/ozg/mail/attributes/ClientAttributeTestFactory.java

...sh/ozg/mail/common/errorhandling/FunctionalException.java

...vsh/ozg/mail/common/errorhandling/TechnicalException.java

...mmon/grpc/NachrichtenCallContextAttachingInterceptor.java

src/main/java/de/itvsh/ozg/mail/email/EMailService.java

src/main/java/de/itvsh/ozg/mail/email/EmailGrpcService.java

src/main/java/de/itvsh/ozg/mail/email/MailRecipient.java

...main/java/de/itvsh/ozg/mail/email/MailSendErrorEvent.java

src/main/java/de/itvsh/ozg/mail/email/MailSendRequest.java

src/main/java/de/itvsh/ozg/mail/email/MailSentEvent.java

src/main/java/de/itvsh/ozg/mail/email/MailService.java

src/main/java/de/itvsh/ozg/mail/postfach/AttachmentFile.java

...in/java/de/itvsh/ozg/mail/postfach/BinaryFileService.java

src/main/java/de/itvsh/ozg/mail/postfach/FileId.java

.../itvsh/ozg/mail/postfach/GrpcPostfachNachrichtMapper.java

...va/de/itvsh/ozg/mail/postfach/NotConfiguredException.java