fix crash in hue2 driver.

internal/drivers/hue2/bridge.go

@@ -252,6 +252,9 @@ func (b *Bridge) MakeCongruent(ctx context.Context) (int, error) {
 	updates := make(map[string]ResourceUpdate)
 	for _, device := range b.devices {
 		resource := b.resources[device.InternalID]
+		if resource == nil {
+			continue
+		}
 
 		// Update device
 		if resource.Metadata.Name != device.Name {