Update rgbcw_lightbulb.yaml (#5683)

custom_components/tuya_local/devices/rgbcw_lightbulb.yaml

@@ -58,6 +58,9 @@ products:
   - id: keytg5kq8gvkv9dh
     manufacturer: LSC Smart Connect
     model: GU10 White and Color Ambiance
+  - id: keypymhxrj35tnqj
+    manufacturer: Positivo
+    model: PLW91
 entities:
   - entity: light
     dps: