fix(@ngtools/webpack): update Angular peer dependencies to 11 stable

Author: clydin

packages/ngtools/webpack/package.json

@@ -26,13 +26,13 @@
     "webpack-sources": "2.2.0"
   },
   "peerDependencies": {
-    "@angular/compiler-cli": "^11.0.0 || ^11.1.0-next",
+    "@angular/compiler-cli": "^11.0.0",
     "typescript": "~4.0.0 || ~4.1.0",
     "webpack": "^4.0.0"
   },
   "devDependencies": {
-    "@angular/compiler": "11.1.0-rc.0",
-    "@angular/compiler-cli": "11.1.0-rc.0",
+    "@angular/compiler": "11.1.0",
+    "@angular/compiler-cli": "11.1.0",
     "typescript": "4.1.3",
     "webpack": "4.44.2"
   }