Update prettier to the latest version 🚀 (#6199)

* chore(package): update prettier to version 1.19.0

* chore(package): update lockfile package-lock.json

Author: greenkeeper[bot]

package-lock.json

@@ -87,7 +87,7 @@
     "mongodb-runner": "4.7.5",
     "node-fetch": "2.6.0",
     "nyc": "14.1.1",
-    "prettier": "1.18.2"
+    "prettier": "1.19.0"
   },
   "scripts": {
     "definitions": "node ./resources/buildConfigDefinitions.js",