fix(update): update strip-bom to version 3.0.0 (#240)

https://greenkeeper.io/

Author: greenkeeperio-bot

package.json

@@ -86,7 +86,7 @@
     "signal-exit": "^2.1.1",
     "source-map": "^0.5.3",
     "spawn-wrap": "^1.2.1",
-    "strip-bom": "^2.0.0",
+    "strip-bom": "^3.0.0",
     "yargs": "^4.4.0"
   },
   "devDependencies": {