chore(package): update shx to version 0.3.0

Author: greenkeeper[bot]

package.json

@@ -78,7 +78,7 @@
     "raw-loader": "^0.5.1",
     "rxjs": "^5.5.6",
     "shelljs": "^0.8.1",
-    "shx": "^0.2.2",
+    "shx": "^0.3.0",
     "sinon": "^5.0.0",
     "sinon-chai": "^3.0.0",
     "source-map-loader": "^0.2.3",