fix: allow more versions of Node (#42)

* Support the latest version of node

* Update package.json

* fix: support all Node.js versions Netlify Build supports

Co-authored-by: Jonah Snider <[email protected]>

Author: oliviertassinari

package.json

@@ -17,7 +17,7 @@
 		"xo": "^0.28.1"
 	},
 	"engines": {
-		"node": "12"
+		"node": ">=8.3.0"
 	},
 	"keywords": [
 		"netlify",