build(deps): bump @angular/core in /example/ionic-angular-v8

Bumps [@angular/core](https://github.com/angular/angular/tree/HEAD/packages/core) from 21.1.6 to 21.2.4.
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/main/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/v21.2.4/packages/core)

---
updated-dependencies:
- dependency-name: "@angular/core"
  dependency-version: 21.2.4
  dependency-type: direct:production
...

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

Author: dependabot[bot]

example/ionic-angular-v8/package.json

@@ -1,7 +1,7 @@
 {
   "dependencies": {
     "@angular/common": "^21.0.0",
-    "@angular/core": "^21.1.6",
+    "@angular/core": "^21.2.4",
     "@angular/forms": "^21.0.0",
     "@angular/platform-browser": "^21.0.0",
     "@angular/platform-browser-dynamic": "^21.0.0",

example/ionic-angular-v8/yarn.lock

@@ -368,10 +368,10 @@
   dependencies:
     tslib "^2.3.0"
 
-"@angular/core@^21.1.6":
-  version "21.1.6"
-  resolved "https://registry.yarnpkg.com/@angular/core/-/core-21.1.6.tgz#6d3aa1f0056029a11030c82d32f36f227c43874e"
-  integrity sha512-c+n9Ynq1Ar+4SOaL10C/arqBje0dUFFUaDyErXp3jPXU/L29fsFTlmKM2EWunM1RhJckYonJ/xtH0gwwrH6W9Q==
+"@angular/core@^21.2.4":
+  version "21.2.4"
+  resolved "https://registry.yarnpkg.com/@angular/core/-/core-21.2.4.tgz#d5037a54ed08d3dc2303f5d63f92c2d67aa0b937"
+  integrity sha512-2+gd67ZuXHpGOqeb2o7XZPueEWEP81eJza2tSHkT5QMV8lnYllDEmaNnkPxnIjSLGP1O3PmiXxo4z8ibHkLZwg==
   dependencies:
     tslib "^2.3.0"