OZG-928 add missing Annotation

goofy-server/src/main/java/de/itvsh/goofy/vorgang/ZustaendigeStelle.java

 package de.itvsh.goofy.vorgang;
 
 import lombok.Builder;
+import lombok.Getter;
 
+@Getter
 @Builder
 public class ZustaendigeStelle {
+
 	private String organisationseinheitenId;
 	private String email;
 }
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