fix: Ignore changes to CMEK on read replicas (#284)

* added ignore encryption_key_name in replica lifecycle

* added ignore encryption_key_name in replica lifecycle

Author: imrannayer

modules/mysql/read_replica.tf

@@ -83,6 +83,7 @@ resource "google_sql_database_instance" "replicas" {
     ignore_changes = [
       settings[0].disk_size,
       settings[0].maintenance_window,
+      encryption_key_name,
     ]
   }
 

modules/postgresql/read_replica.tf

@@ -94,6 +94,7 @@ resource "google_sql_database_instance" "replicas" {
     ignore_changes = [
       settings[0].disk_size,
       settings[0].maintenance_window,
+      encryption_key_name,
     ]
   }