chore(package): update globby to version 6.0.0

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -35,7 +35,7 @@
   },
   "homepage": "https://github.com/posthtml/posthtml-cli#readme",
   "dependencies": {
-    "globby": "^5.0.0",
+    "globby": "^6.0.0",
     "posthtml": "^0.9.0",
     "posthtml-load-plugins": "^0.11.2",
     "yargs": "^4.7.1"