Bump versions for 4.0.6 release

component.json

@@ -2,7 +2,7 @@
   "name": "select2",
   "repo": "select/select2",
   "description": "Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and infinite scrolling of results.",
-  "version": "4.0.6-rc.1",
+  "version": "4.0.6",
   "demo": "https://select2.org/",
   "keywords": [
     "jquery"

package.json

@@ -39,7 +39,7 @@
     "src",
     "dist"
   ],
-  "version": "4.0.6-rc.1",
+  "version": "4.0.6",
   "jspm": {
     "main": "js/select2",
     "directories": {