fix(package): update minimist to version 1.2.2

Closes #51

Author: greenkeeper[bot]

package.json

@@ -42,7 +42,7 @@
     "glob": "7.1.1",
     "lodash": "4.16.6",
     "marked": "0.3.6",
-    "minimist": "1.2.0",
+    "minimist": "1.2.2",
     "postcss-advanced-variables": "1.2.2",
     "postcss-loader": "1.1.0",
     "prettyjson": "1.1.3",