Merge pull request #216 from atom/greenkeeper/prebuild-8.2.1

Update prebuild to the latest version 🚀

Author: smashwilson

package-lock.json

@@ -52,7 +52,7 @@
     "mocha-appveyor-reporter": "0.4.2",
     "mocha-junit-reporter": "1.18.0",
     "mocha-stress": "1.0.0",
-    "prebuild": "8.2.0",
+    "prebuild": "8.2.1",
     "shell-quote": "1.6.1",
     "standard": "12.0.1",
     "temp": "0.9.0",