chore(package): update @angular/cli to version 9.0.6

Closes #138

Author: greenkeeper[bot]

package.json

@@ -30,7 +30,7 @@
     "zone.js": "^0.8.12"
   },
   "devDependencies": {
-    "@angular/cli": "^1.1.1",
+    "@angular/cli": "^9.0.6",
     "@angular/compiler-cli": "^4.1.3",
     "@types/jasmine": "2.6.3",
     "@types/jquery": "^3.2.0",