Bump zone.js from 0.14.10 to 0.15.0 in /web_embedding/ng-flutter

Bumps [zone.js](https://github.com/angular/angular/tree/HEAD/packages/zone.js) from 0.14.10 to 0.15.0.
- [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-0.15.0/packages/zone.js)

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

Signed-off-by: dependabot[bot] <[email protected]>

web_embedding/ng-flutter/package.json

@@ -23,7 +23,7 @@
     "@angular/router": "^18.0.1",
     "rxjs": "~7.8.1",
     "tslib": "^2.6.2",
-    "zone.js": "~0.14.6"
+    "zone.js": "~0.15.0"
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "^18.0.2",