OZG-8146 pom: Use develop notification-manager

vorgang-manager-server/pom.xml

@@ -56,7 +56,7 @@
 		<processor-manager.version>0.5.0</processor-manager.version>
 		<nachrichten-manager.version>2.21.0</nachrichten-manager.version>
 		<api-lib.version>0.16.0</api-lib.version>
-		<notification-manager.version>2.15.0</notification-manager.version>
+		<notification-manager.version>2.17.0-develop-SNAPSHOT</notification-manager.version>
 		<collaboration-manager.version>0.7.0</collaboration-manager.version>
 		<archive-manager.version>0.3.0</archive-manager.version>
 		<document-manager.version>1.4.0</document-manager.version>