chore(deps): update angular-cli monorepo to v21.2.15

Author: renovate[bot]

package.json

@@ -33,8 +33,8 @@
     "tslib": "2.8.1"
   },
   "devDependencies": {
-    "@angular/build": "21.2.14",
-    "@angular/cli": "21.2.14",
+    "@angular/build": "21.2.15",
+    "@angular/cli": "21.2.15",
     "@angular/compiler-cli": "21.2.17",
     "@release-it/bumper": "7.0.6",
     "@release-it/conventional-changelog": "11.0.1",