chore(package): update ghost-gql to version 0.0.6 (#7844)

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -50,7 +50,7 @@
     "extract-zip-fork": "1.5.1",
     "fs-extra": "1.0.0",
     "ghost-editor": "0.1.5",
-    "ghost-gql": "0.0.5",
+    "ghost-gql": "0.0.6",
     "glob": "5.0.15",
     "gscan": "0.2.0",
     "html-to-text": "3.0.0",