Add role="presentation" to table within add-to-cart form. (#33123)

Add table role="presentation" for an accessibility enhancement.

plugins/woocommerce/changelog/fix-variation-table-role

@@ -0,0 +1,4 @@
+Significance: patch
+Type: fix
+
+Add role="presentation" to table on the add-to-cart form as an accessibility enhancement.

plugins/woocommerce/templates/single-product/add-to-cart/variable.php

@@ -31,7 +31,7 @@ do_action( 'woocommerce_before_add_to_cart_form' ); ?>
 	<?php if ( empty( $available_variations ) && false !== $available_variations ) : ?>
 		<p class="stock out-of-stock"><?php echo esc_html( apply_filters( 'woocommerce_out_of_stock_message', __( 'This product is currently out of stock and unavailable.', 'woocommerce' ) ) ); ?></p>
 	<?php else : ?>
-		<table class="variations" cellspacing="0">
+		<table class="variations" cellspacing="0" role="presentation">
 			<tbody>
 				<?php foreach ( $attributes as $attribute_name => $options ) : ?>
 					<tr>