Move script to ES modules. (#1118)

scripts/getTestingTags.js

@@ -12,8 +12,8 @@ OF ANY KIND, either express or implied. See the License for the specific languag
 governing permissions and limitations under the License.
 */
 
-const { Octokit } = require("@octokit/rest");
-const semver = require("semver");
+import { Octokit } from "@octokit/rest";
+import semver from "semver";
 
 // Outputs the production version of Alloy. This is calculated
 // by looking up the latest release in Github that is neither
@@ -30,8 +30,8 @@ const octokit = new Octokit({
   auth: process.env.GITHUB_TOKEN,
 });
 
-module.exports = () => {
-  return octokit.paginate(
+export default () =>
+  octokit.paginate(
     octokit.repos.listReleases,
     {
       owner: "adobe",
@@ -50,4 +50,3 @@ module.exports = () => {
       return prodReleasesToTest;
     },
   );
-};