chore(deps): update dependency typescript-eslint to v8.21.0

Author: renovate[bot]

package.json

@@ -48,7 +48,7 @@
     "standard-version": "9.5.0",
     "ts-jest": "29.2.5",
     "typescript": "5.7.2",
-    "typescript-eslint": "8.15.0"
+    "typescript-eslint": "8.21.0"
   },
   "peerDependencies": {
     "@angular/compiler": "^17.3.9 || ^18.0.0 || ^19.0.0"