build(dev-dependencies): update angular-eslint monorepo to v21

Author: renovate[bot]

package.json

@@ -44,11 +44,11 @@
   },
   "devDependencies": {
     "@angular-devkit/build-angular": "^17.0.0",
-    "@angular-eslint/builder": "^17.0.0",
-    "@angular-eslint/eslint-plugin": "^17.0.0",
-    "@angular-eslint/eslint-plugin-template": "^17.0.0",
-    "@angular-eslint/schematics": "^17.0.0",
-    "@angular-eslint/template-parser": "^17.0.0",
+    "@angular-eslint/builder": "^21.0.0",
+    "@angular-eslint/eslint-plugin": "^21.0.0",
+    "@angular-eslint/eslint-plugin-template": "^21.0.0",
+    "@angular-eslint/schematics": "^21.0.0",
+    "@angular-eslint/template-parser": "^21.0.0",
     "@angular/cli": "^17.0.0",
     "@angular/compiler-cli": "^17.0.0",
     "@angular/language-service": "^17.0.0",