Add support for :link and :any-link in theme.json (#48634)

Co-authored-by: Mukesh Panchal <mukeshpanchal27@users.noreply.github.com>

lib/class-wp-theme-json-gutenberg.php

@@ -465,18 +465,20 @@ class WP_Theme_JSON_Gutenberg {
 	/**
 	 * Defines which pseudo selectors are enabled for which elements.
 	 *
-	 * The order of the selectors should be: visited, hover, focus, active.
-	 * This is to ensure that 'visited' has the lowest specificity
-	 * and the other selectors can always overwrite it.
+	 * The order of the selectors should be: link, any-link, visited, hover, focus, active.
+	 * This is to ensure the user action (hover, focus and active) styles have a higher
+	 * specificity than the visited styles, which in turn have a higher specificity than
+	 * the unvisited styles.
 	 *
 	 * See https://core.trac.wordpress.org/ticket/56928.
 	 * Note: this will affect both top-level and block-level elements.
 	 *
 	 * @since 6.1.0
+	 * @since 6.2.0 Added support for `:link` and `:any-link`.
 	 */
 	const VALID_ELEMENT_PSEUDO_SELECTORS = array(
-		'link'   => array( ':visited', ':hover', ':focus', ':active' ),
-		'button' => array( ':visited', ':hover', ':focus', ':active' ),
+		'link'   => array( ':link', ':any-link', ':visited', ':hover', ':focus', ':active' ),
+		'button' => array( ':link', ':any-link', ':visited', ':hover', ':focus', ':active' ),
 	);
 
 	/**