CHANGELOG.md in google-apis-chat_v1-0.21.0 vs CHANGELOG.md in google-apis-chat_v1-0.22.0

@@ -1,6 +1,11 @@
 # Release history for google-apis-chat_v1
 
+### v0.22.0 (2022-01-28)
+
+* Regenerated from discovery document revision 20220125
+* Regenerated using generator version 0.4.1
+
 ### v0.21.0 (2021-12-22)
 
 * Regenerated from discovery document revision 20211215
 * Unspecified changes