Add this to your functions.phps to remove the requirements:
function remove_wc_password_meter() {
wp_dequeue_script( ‘wc-password-strength-meter’ );
}
add_action( ‘wp_print_scripts’, ‘remove_wc_password_meter’, 100 );
Then use this plugin to add/control new requirements:
https://www.ads-software.com/plugins/woocommerce-enforce-strong-password