chore(package): update replace-in-file to version 4.2.0

Closes #23

Author: greenkeeper[bot]

package.json

@@ -90,7 +90,7 @@
     "lodash.camelcase": "^4.3.0",
     "prettier": "^1.4.4",
     "prompt": "^1.0.0",
-    "replace-in-file": "^3.0.0-beta.2",
+    "replace-in-file": "^4.2.0",
     "rimraf": "^2.6.1",
     "rollup": "^0.62.0",
     "rollup-plugin-commonjs": "^9.0.0",