updated homepage URL

Author: JamesMessinger

package.json

@@ -22,7 +22,7 @@
     "Alexey Raspopov (https://github.com/alexeyraspopov)",
     "James Messinger (https://jamesmessinger.com)"
   ],
-  "homepage": "https://github.com/JS-DevTools/version-bump-prompt",
+  "homepage": "https://jsdevtools.org/version-bump-prompt",
   "license": "MIT",
   "repository": {
     "type": "git",