:+1: version and update docs

CHANGES.md

@@ -1,8 +1,11 @@
 # CHANGES
 
 ## v4.2.11-RC
+
 * Fix: Rename decendants is not working
     * Introduced by v4.2.8
+
+
 ## v4.2.10
 
 * Feature: Staff Credits for apps on GROWI.cloud 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "growi",
-  "version": "4.2.10-RC",
+  "version": "4.2.11-RC",
   "description": "Team collaboration software using markdown",
   "tags": [
     "wiki",