debug travis deploy

scripts/release.js

 function tagAndPublish(newVersion) {
   console.log(`new version is: ${newVersion}`);
   execSync(`npm version ${newVersion} -m "v${newVersion} [ci skip]"`);
-  execSyncSilently(`git push deploy --tags`);
+  execSync(`git push deploy --tags --verbose`);
   execSync(`npm publish --tag latest`);
 }