Build: Downgrade version from 3.0.0-pre to 2.2.0-pre

Author: mgol

package.json

@@ -2,7 +2,7 @@
   "name": "jquery-color",
   "title": "jQuery Color",
   "description": "jQuery plugin for color manipulation and animation support.",
-  "version": "3.0.0-pre",
+  "version": "2.2.0-pre",
   "homepage": "https://github.com/jquery/jquery-color",
   "author": {
     "name": "OpenJS Foundation and other contributors",