build(deps): update angular packages

Author: renovate[bot]

examples/example-app-monorepo/package.json

@@ -29,9 +29,9 @@
     "zone.js": "~0.15.0"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "^20.3.7",
-    "@angular/cli": "^20.3.7",
-    "@angular/compiler-cli": "^20.3.7",
+    "@angular-devkit/build-angular": "^20.3.8",
+    "@angular/cli": "^20.3.8",
+    "@angular/compiler-cli": "^20.3.9",
     "@types/jest": "^30.0.0",
     "@types/node": "^22.18.13",
     "esbuild-register": "^3.6.0",