fix(@angular-devkit/build-angular): update Angular peer dependencies to 11 stable

Author: clydin

packages/angular_devkit/build_angular/package.json

@@ -78,10 +78,10 @@
     "worker-plugin": "5.0.0"
   },
   "peerDependencies": {
-    "@angular/compiler-cli": "^11.0.0 || ^11.0.0-next",
-    "@angular/localize": "^11.0.0 || ^11.0.0-next",
+    "@angular/compiler-cli": "^11.0.0",
+    "@angular/localize": "^11.0.0",
     "karma": "~5.1.0",
-    "ng-packagr": "^11.0.0 || ^11.0.0-next",
+    "ng-packagr": "^11.0.0",
     "protractor": "^7.0.0",
     "tslint": "^6.1.0",
     "typescript": "~4.0.0"