fix(package): update prebuild-install to version 2.0.0

https://greenkeeper.io/

Author: greenkeeper[bot]

package.json

@@ -30,7 +30,7 @@
   },
   "homepage": "https://github.com/NodeOS/genfatfs#readme",
   "dependencies": {
-    "prebuild-install": "^1.1.0"
+    "prebuild-install": "^2.0.0"
   },
   "devDependencies": {
     "prebuild": "^5.0.0"