Automatic merge from submit-queue

check validation with no apps client in kubectl util factory

autoscaling client already exist:

		if c.c.AutoscalingClient == nil {
			return errors.New("unable to validate: no autoscaling client")

so following autoscaling client should be apps client:

		if c.c.AppsClient == nil {
			return errors.New("unable to validate: no autoscaling client")
		}

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