fix(deps): update angular monorepo to v21.2.15

Author: renovate[bot]

package.json

@@ -19,21 +19,21 @@
   },
   "dependencies": {
     "@angular/cdk": "21.2.13",
-    "@angular/common": "21.2.14",
-    "@angular/compiler": "21.2.14",
-    "@angular/core": "21.2.14",
-    "@angular/forms": "21.2.14",
+    "@angular/common": "21.2.15",
+    "@angular/compiler": "21.2.15",
+    "@angular/core": "21.2.15",
+    "@angular/forms": "21.2.15",
     "@angular/material": "21.2.13",
-    "@angular/platform-browser": "21.2.14",
-    "@angular/router": "21.2.14",
+    "@angular/platform-browser": "21.2.15",
+    "@angular/router": "21.2.15",
     "@material/material-color-utilities": "0.4.0",
     "rxjs": "7.8.2",
     "tslib": "2.8.1"
   },
   "devDependencies": {
     "@angular/build": "21.2.13",
     "@angular/cli": "21.2.13",
-    "@angular/compiler-cli": "21.2.14",
+    "@angular/compiler-cli": "21.2.15",
     "@release-it/bumper": "7.0.5",
     "@release-it/conventional-changelog": "11.0.0",
     "jsdom": "29.1.1",