fix(deps): update dependency gcp-metadata to ^0.7.0 (#166)

Author: renovate[bot]

handwritten/logging/package-lock.json

@@ -67,7 +67,7 @@
     "arrify": "^1.0.1",
     "eventid": "^0.1.2",
     "extend": "^3.0.1",
-    "gcp-metadata": "^0.6.3",
+    "gcp-metadata": "^0.7.0",
     "google-auth-library": "^1.6.0",
     "google-gax": "^0.17.1",
     "google-proto-files": "^0.16.1",