fix(package): update find-up to version 4.1.0

Closes #93

Author: greenkeeper[bot]

package.json

@@ -28,7 +28,7 @@
   "dependencies": {
     "chalk": "^2.3.0",
     "command-exists": "^1.2.2",
-    "find-up": "^3.0.0",
+    "find-up": "^4.1.0",
     "lodash.camelcase": "^4.3.0",
     "lodash.includes": "^4.3.0",
     "lodash.kebabcase": "^4.1.1",