Bump zone.js from 0.11.3 to 0.11.4 in /app

Bumps [zone.js](https://github.com/angular/angular/tree/HEAD/packages/zone.js) from 0.11.3 to 0.11.4.
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/master/packages/zone.js/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/zone.js-0.11.4/packages/zone.js)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

app/package.json

@@ -38,7 +38,7 @@
     "path": "0.12.7",
     "rxjs": "^6.5.5",
     "yargs": "^15.4.1",
-    "zone.js": "^0.11.3"
+    "zone.js": "^0.11.4"
   },
   "optionalDependencies": {
     "macos-native-processlist": "^2.0.0",