change to ts

Author: Feiyang1

scripts/exp/release.js renamed to scripts/exp/release.ts

@@ -15,8 +15,8 @@
  * limitations under the License.
  */
 
-const { spawn, exec } = require('child-process-promise');
-const ora = require('ora');
+import { spawn, exec } from 'child-process-promise';
+import ora from 'ora';
 const { projectRoot } = require('../utils');
 const simpleGit = require('simple-git/promise');
 const git = simpleGit(projectRoot);