Add missing @SInCE annotation

Author: mukeshpanchal27

plugins/view-transitions/includes/theme.php

@@ -363,6 +363,8 @@ function plvt_load_view_transitions(): void {
  * to enable or enhance view transitions within the theme or plugin.
  * It should be hooked to an appropriate action to ensure the styles
  * are included in the page output.
+ *
+ * @since n.e.x.t
  */
 function plvt_print_view_transitions_admin_style(): void {
 	$options = plvt_get_stored_setting_value();