chore(package): update google-cloud to version 0.57.0 (#68)

* chore(package): update google-cloud to version 0.57.0

Closes #59

* Update yarn lockfile

Author: binoculars

package.json

@@ -32,7 +32,7 @@
     "babel-preset-env": "^1.6.1",
     "chalk": "^2.0.1",
     "del": "^3.0.0",
-    "google-cloud": "^0.55.0",
+    "google-cloud": "^0.57.0",
     "gulp": "^3.9.1",
     "gulp-babel": "^7.0.0",
     "gulp-chmod": "^2.0.0",