chore(deps): update @angular-dev to v20.3.6

Author: renovate[bot]

package-lock.json

@@ -41,8 +41,8 @@
   "homepage": "https://github.com/ngxs/schematics#readme",
   "schematics": "./src/collection.json",
   "dependencies": {
-    "@angular-devkit/core": "20.0.5",
-    "@angular-devkit/schematics": "20.0.5",
+    "@angular-devkit/core": "20.3.6",
+    "@angular-devkit/schematics": "20.3.6",
     "typescript": "5.8.3"
   },
   "devDependencies": {