Merge pull request #11105 from protocolbuffers/21.x-202211301621

Update version.json to: 21.11-dev
diff --git a/CHANGES.txt b/CHANGES.txt
index dd2407d..98cdf20 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,4 @@
-2022-11-28 version 21.10-rc0 (C++/Java/Python/PHP/Objective-C/C#/Ruby)
+2022-11-29 version 21.10 (C++/Java/Python/PHP/Objective-C/C#/Ruby)
 
   Java
   * Use bit-field int values in buildPartial to skip work on unset groups of fields. (#10960)
@@ -8,7 +8,6 @@
   Other
   * Add public modifiers to kotlin code (#11068)
 
-
 2022-10-26 version 21.9 (C++/Java/Python/PHP/Objective-C/C#/Ruby)
 
   C++