CHANGELOG.md in google-apis-securitycenter_v1beta2-0.54.0 vs CHANGELOG.md in google-apis-securitycenter_v1beta2-0.55.0

@@ -1,6 +1,10 @@
 # Release history for google-apis-securitycenter_v1beta2
 
+### v0.55.0 (2023-10-08)
+
+* Regenerated from discovery document revision 20231001
+
 ### v0.54.0 (2023-09-10)
 
 * Regenerated from discovery document revision 20230904
 
 ### v0.53.0 (2023-08-06)