:+1: version and update docs

CHANGES.md

@@ -1,7 +1,11 @@
 CHANGES
 ========
 
-## 3.1.12-RC
+## 3.1.13-RC
+
+* 
+
+## 3.1.12
 
 * Feature: Add XSS Settings
 * Feature: Notify to Slack when comment

package.json

@@ -1,6 +1,6 @@
 {
   "name": "growi",
-  "version": "3.1.12-RC",
+  "version": "3.1.13-RC",
   "description": "Team collaboration software using markdown",
   "tags": [
     "wiki",