chore: Update netty versions (#1171)

Author: Jonas-Isr

cloudplatform/connectivity-ztis/pom.xml

@@ -29,7 +29,7 @@
 		</developer>
 	</developers>
 	<properties>
-		<netty.version>4.2.12.Final</netty.version>
+		<netty.version>4.2.13.Final</netty.version>
 	</properties>
 	<dependencyManagement>
 		<dependencies>