OZG-3961 - spring native config

src/main/java/de/ozgcloud/operator/SpringNativeConfiguration.java

@@ -50,6 +50,8 @@ public class SpringNativeConfiguration {
 			combined.add(KeycloakUserSpec.KeycloakUserSpecUserGroup.class);
 			combined.add(KeycloakUserStatus.class);
 
+			combined.add(org.keycloak.admin.client.Keycloak.class);
+
 			try {
 				combined.add(Class.forName("io.fabric8.kubernetes.client.okhttp.OkHttpClientBuilderImpl"));
 			} catch (ClassNotFoundException e) {