Change signup membership label button

add_filter( 'wcvm_pricing_box_args' , 'change_sign_up_membership_button_label');

function change_sign_up_membership_button_label ($data) {
		
	$checkout_url = wc_get_checkout_url();
	$checkout_url = add_query_arg( 'add-to-cart', get_the_ID(), $checkout_url );
	$checkout_url = add_query_arg( 'is-membership', 'yes', $checkout_url );
	$data['button'] = '<a class="btn button" href="' . $checkout_url . '">' . __( 'Choose your plan', 'wc-vendors-membership' ) . '</a>';
	return $data;
}