Update atom-package-deps to the latest version 🚀 (#166)

* fix(package): update atom-package-deps to version 4.4.0

https://greenkeeper.io/

* Unpin atom-package-deps

Author: greenkeeper[bot]

package.json

@@ -20,7 +20,7 @@
   },
   "dependencies": {
     "atom-linter": "^9.0.0",
-    "atom-package-deps": "4.3.1",
+    "atom-package-deps": "^4.4.0",
     "consistent-env": "^1.0.1",
     "globule": "^1.0.0",
     "sass-lint": "1.10.2"