Add tooltip description

modules/ppcp-wc-gateway/services.php

@@ -1835,10 +1835,18 @@ static function ( $container ): AuthorizeOrderActionNotice {
 			'3d_secure_contingency'          => array(
 				'title'        => __( 'Contingency for 3D Secure', 'woocommerce-paypal-payments' ),
 				'type'         => 'select',
+				'description'  => sprintf(
+				// translators: %1$s and %2$s opening and closing ul tag, %3$s and %4$s opening and closing li tag.
+					__( '%1$s%3$sNo 3D Secure will cause transactions to be denied if 3D Secure is required by the bank of the cardholder.%4$s%3$sSCA_WHEN_REQUIRED returns a 3D Secure contingency when it is a mandate in the region where you operate.%4$s%3$sSCA_ALWAYS triggers 3D Secure for every transaction, regardless of SCA requirements.%4$s%2$s', 'woocommerce-paypal-payments' ),
+					'<ul>',
+					'</ul>',
+					'<li>',
+					'</li>'
+				),
 				'class'        => array(),
 				'input_class'  => array( 'wc-enhanced-select' ),
 				'default'      => 'SCA_WHEN_REQUIRED',
-				'desc_tip'     => false,
+				'desc_tip'     => true,
 				'options'      => array(
 					'NO_3D_SECURE'      => __( 'No 3D Secure (transaction will be denied if 3D Secure is required)', 'woocommerce-paypal-payments' ),
 					'SCA_WHEN_REQUIRED' => __( '3D Secure when required', 'woocommerce-paypal-payments' ),