chore(package): update @angular/cli to version 1.7.4

Author: greenkeeper[bot]

package.json

@@ -26,7 +26,7 @@
     "zone.js": "^0.8.19"
   },
   "devDependencies": {
-    "@angular/cli": "1.7.3",
+    "@angular/cli": "1.7.4",
     "@angular/compiler-cli": "^5.2.0",
     "@angular/language-service": "^5.2.0",
     "@types/jasmine": "~2.8.3",