CHANGELOG.md in google-apis-chat_v1-0.65.0 vs CHANGELOG.md in google-apis-chat_v1-0.66.0

@@ -1,6 +1,10 @@
 # Release history for google-apis-chat_v1
 
+### v0.66.0 (2023-07-23)
+
+* Regenerated from discovery document revision 20230718
+
 ### v0.65.0 (2023-07-16)
 
 * Regenerated from discovery document revision 20230711
 
 ### v0.64.0 (2023-07-09)