fix(deps): update dependency @google-cloud/common to ^0.28.0 (#941)

renovate[bot] · kjin · commit 96863e70ae27 · 2018-12-13T16:28:44.000-08:00
diff --git a/package.json b/package.json
@@ -94,7 +94,7 @@
     "typescript": "~3.1.0"
   },
   "dependencies": {
-    "@google-cloud/common": "^0.27.0",
+    "@google-cloud/common": "^0.28.0",
     "builtin-modules": "^3.0.0",
     "console-log-level": "^1.4.0",
     "continuation-local-storage": "^3.2.1",
