:+1: version and update docs

CHANGES.md

@@ -3,13 +3,11 @@ CHANGES
 
 ## 1.2.13
 
-* Fix: The problem when disabling pushing states with History API when tabs changes 
-
-## 1.2.12
-
 * Improvement: Enabled to switch whether to push states with History API when tabs changes 
 * Fix: Layout of the Not Found page
 
+## 1.2.12 (Missing number)
+
 ## 1.2.11
 
 * Improvement: Enabled to open editing form from affix header

package.json

@@ -1,6 +1,6 @@
 {
   "name": "crowi-plus",
-  "version": "1.2.13-RC",
+  "version": "1.2.14-RC",
   "description": "Enhanced Crowi",
   "tags": [
     "wiki",