Docs: Add missing docs for the auth_cookie_bad_session_token action.

See #48303


git-svn-id: https://develop.svn.wordpress.org/trunk@46598 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/pluggable.php

@@ -676,6 +676,13 @@ if ( ! function_exists( 'wp_validate_auth_cookie' ) ) :
 
 		$manager = WP_Session_Tokens::get_instance( $user->ID );
 		if ( ! $manager->verify( $token ) ) {
+			/**
+			 * Fires if a bad session token is encountered.
+			 *
+			 * @since 4.0.0
+			 *
+			 * @param string[] $cookie_elements An array of data for the authentication cookie.
+			 */
 			do_action( 'auth_cookie_bad_session_token', $cookie_elements );
 			return false;
 		}