feat (rgbcw_lightbulb): add local product id for GU10 lightbulb

Issue #5625

custom_components/tuya_local/devices/rgbcw_lightbulb.yaml

@@ -53,6 +53,8 @@ products:
     model: DL_SL4_S_NL-WH-2760K
   - id: qoqolwtqzfuhgghq
     model: RGBCW smart bulb
+  - id: keyj979nf3q3theh
+    model: GU10 lightbulb
 entities:
   - entity: light
     dps: