CHANGELOG.md in google-apis-chat_v1-0.11.0 vs CHANGELOG.md in google-apis-chat_v1-0.12.0

@@ -1,6 +1,10 @@
 # Release history for google-apis-chat_v1
 
+### v0.12.0 (2021-07-14)
+
+* Regenerated from discovery document revision 20210707
+
 ### v0.11.0 (2021-06-29)
 
 * Regenerated using generator version 0.4.0
 
 ### v0.10.0 (2021-06-24)