Bump zone.js from 0.11.6 to 0.11.8 in /frontend (#109)

Bumps [zone.js](https://github.com/angular/angular/tree/HEAD/packages/zone.js) from 0.11.6 to 0.11.8.
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/main/packages/zone.js/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/zone.js-0.11.8/packages/zone.js)

---
updated-dependencies:
- dependency-name: zone.js
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

frontend/package.json

@@ -25,7 +25,7 @@
     "mat-table-filter": "^10.2.0",
     "rxjs": "~7.5.0",
     "tslib": "^2.3.0",
-    "zone.js": "~0.11.4"
+    "zone.js": "~0.11.8"
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "^14.0.7",