fix(package): update google-auth-library to version 5.8.0

Closes #164

Author: greenkeeper[bot]

package.json

@@ -8,7 +8,7 @@
     "url": "git://github.com/c-base/ingress-table.git"
   },
   "dependencies": {
-    "google-auth-library": "~0.12.0",
+    "google-auth-library": "~5.8.0",
     "microflo": "~0.6.0",
     "noflo": "~1.1.0",
     "noflo-core": "~0.5.0",