fix(deps): update dependency google-auto-auth to ^0.10.0 (#808)

renovate[bot] · JustinBeckwith · commit 93b7235a8d59 · 2018-07-17T00:04:43.000-07:00
diff --git a/system-test/package.json b/system-test/package.json
@@ -4,7 +4,7 @@
   "dependencies": {
     "@google-cloud/datastore": "^1.0.2",
     "express": "^4.16.3",
-    "google-auto-auth": "^0.9.0",
+    "google-auto-auth": "^0.10.0",
     "got": "^8.0.0",
     "querystring": "^0.2.0"
   }
