CHANGELOG.md in google-apis-fcm_v1-0.19.0 vs CHANGELOG.md in google-apis-fcm_v1-0.20.0

@@ -1,6 +1,10 @@
 # Release history for google-apis-fcm_v1
 
+### v0.20.0 (2023-02-15)
+
+* Regenerated using generator version 0.12.0
+
 ### v0.19.0 (2022-10-27)
 
 * Regenerated using generator version 0.11.0
 
 ### v0.18.0 (2022-10-12)