fix release archiver by using .mjs extension

Author: gselderslaghs

ci/compress.js renamed to ci/compress.mjs

@@ -35,9 +35,9 @@
     "lint": "eslint .",
     "test": "npm run build && jasmine-browser-runner runSpecs",
     "build": "rollup --config rollup.config.ts --configPlugin @rollup/plugin-typescript",
-    "release": "npm run lint && npm run build -- --environment BUILD:release && node ci/compress.js",
+    "release": "npm run lint && npm run build -- --environment BUILD:release && node ci/compress.mjs",
     "preversion": "npm run lint && npm test",
-    "version": "npm run build -- --environment BUILD:release && node ci/compress.js && git add ."
+    "version": "npm run build -- --environment BUILD:release && node ci/compress.mjs && git add ."
   },
   "lint-staged": {
     "js/*.js": [