Example of how to replace the v3 version of Stripe JS loaded by EE with v2 on a specific page.

example.php

<?php

function tw_ee_load_replace_stripe_js_with_v2(){ 
	if( is_page('update-credit-card') ) {
		wp_deregister_script('stripe_js');
		wp_register_script('stripe_js', 'https://js.stripe.com/v2/', [], '2');
	}
}
add_action('wp_enqueue_scripts', 'tw_ee_load_replace_stripe_js_with_v2', 10);