Updated CHANGELOG.md

Author: kimoto

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Change Log
 
-## [v1.22.0](https://github.com/line/line-bot-sdk-ruby/tree/v1.22.0) (2021-09-24)
+## [v1.22.0](https://github.com/line/line-bot-sdk-ruby/tree/v1.22.0) (2021-09-28)
 [Full Changelog](https://github.com/line/line-bot-sdk-ruby/compare/v1.21.0...v1.22.0)
 
 **Closed issues:**
@@ -10,6 +10,7 @@
 **Merged pull requests:**
 
 - add update/get/get\_list rich\_menu\_alias [\#237](https://github.com/line/line-bot-sdk-ruby/pull/237) ([4geru](https://github.com/4geru))
+- Don't require channel\_id & channel\_secret when call api related to JWT [\#240](https://github.com/line/line-bot-sdk-ruby/pull/240) ([koukikitamura](https://github.com/koukikitamura))
 
 ## [v1.21.0](https://github.com/line/line-bot-sdk-ruby/tree/v1.21.0) (2021-08-18)
 [Full Changelog](https://github.com/line/line-bot-sdk-ruby/compare/v1.20.0...v1.21.0)