Fixed maven-gpg version
Fixed maven-gpg version

Change-Id: I07892d02b175ac4056e60870bb4f09b7483c2b78

shelsonjava/kurento-jsonrpc-js,Kurento/kurento-jsonrpc-js,Kurento/kurento-jsonrpc-js,KurentoLegacy/kws-rpc-builder,Kurento/kurento-jsonrpc-js,shelsonjava/kurento-jsonrpc-js