Update dev dependencies and prepare for release

Author: philwareham

package.json

@@ -1,7 +1,7 @@
 {
   "name": "textpattern-jquery-ui-theme",
   "description": "The jQuery UI theme used within Textpattern CMS admin side.",
-  "version": "0.2.0",
+  "version": "4.6.0",
   "keywords": [
     "jquery-ui",
     "theme",
@@ -31,7 +31,7 @@
     "grunt-sass": "1.2.1",
     "grunt-sass-lint": "0.2.0",
     "load-grunt-tasks": "~3.5",
-    "node-sass": "3.9.0",
+    "node-sass": "3.9.3",
     "sass-lint": "1.9.1"
   },
   "scripts": {