CHANGELOG.md in google-apis-alertcenter_v1beta1-0.39.0 vs CHANGELOG.md in google-apis-alertcenter_v1beta1-0.40.0

@@ -1,6 +1,10 @@
 # Release history for google-apis-alertcenter_v1beta1
 
+### v0.40.0 (2024-04-21)
+
+* Regenerated from discovery document revision 20240415
+
 ### v0.39.0 (2024-03-31)
 
 * Regenerated from discovery document revision 20240325
 
 ### v0.38.0 (2024-02-23)