change version of @angular-devkit/build-angular

related to angular/angular-cli#14883

Author: abadakhshan

package.json

@@ -55,7 +55,7 @@
   },
   "devDependencies": {
     "@angular-builders/custom-webpack": "8.0.2",
-    "@angular-devkit/build-angular": "^0.800.2",
+    "@angular-devkit/build-angular": "0.800.3",
     "@angular/cli": "^8.0.2",
     "@angular/compiler-cli": "~8.0.0",
     "@angular/language-service": "~8.0.0",