Refactor Geo::BaseSyncService#update_registry

app/services/geo/base_sync_service.rb

@@ -50,16 +50,18 @@ module Geo
 
       log("Updating #{type} sync information")
 
+      attrs = {}.tap do |attrs|
         if started_at
-        registry.public_send("last_#{type}_synced_at=", started_at)
+          attrs["last_#{type}_synced_at"] = started_at
         end
 
         if finished_at
-        registry.public_send("last_#{type}_successful_sync_at=", finished_at)
-        registry.public_send("resync_#{type}=", false)
+          attrs["last_#{type}_successful_sync_at"] = finished_at
+          attrs["resync_#{type}"] = false
+        end
       end
 
-      registry.save!
+      registry.update!(attrs)
     end
 
     def lease_key