fix (yakry_camera_petfeeder): make format SD button optional

Original log has this dp, but later one does not

Issue #4304

custom_components/tuya_local/devices/yakry_camera_petfeeder.yaml

@@ -113,6 +113,7 @@ entities:
     dps:
       - id: 111
         type: boolean
+        optional: true
         name: button
       - id: 117
         type: integer