Docs: Correct the type for transition_comment_status action parameters.

By the time this hook runs, the `$new_status` and `$old_status` values can only be a string.

Follow-up to [26491].

See #62281.

git-svn-id: https://develop.svn.wordpress.org/trunk@59871 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/comment.php

@@ -1821,8 +1821,8 @@ function wp_transition_comment_status( $new_status, $old_status, $comment ) {
 		 *
 		 * @since 2.7.0
 		 *
-		 * @param int|string $new_status The new comment status.
-		 * @param int|string $old_status The old comment status.
+		 * @param string     $new_status The new comment status.
+		 * @param string     $old_status The old comment status.
 		 * @param WP_Comment $comment    Comment object.
 		 */
 		do_action( 'transition_comment_status', $new_status, $old_status, $comment );