chore: add upgarde callback for emqx_exclusive_subscription

apps/emqx/src/emqx.appup.src

@@ -8,6 +8,7 @@
      {load_module,emqx_authentication,brutal_purge,soft_purge,[]},
      {load_module,emqx_metrics,brutal_purge,soft_purge,[]},
      {add_module,emqx_exclusive_subscription},
+     {apply, {emqx_exclusive_subscription, on_add_module, []}},
      {load_module,emqx_broker,brutal_purge,soft_purge,[]},
      {load_module,emqx_mqtt_caps,brutal_purge,soft_purge,[]},
      {load_module,emqx_topic,brutal_purge,soft_purge,[]},
@@ -22,6 +23,7 @@
      {load_module,emqx_broker,brutal_purge,soft_purge,[]},
      {load_module,emqx_mqtt_caps,brutal_purge,soft_purge,[]},
      {load_module,emqx_topic,brutal_purge,soft_purge,[]},
+     {apply, {emqx_exclusive_subscription, on_delete_module, []}},
      {delete_module,emqx_exclusive_subscription},
      {load_module,emqx_relup}]},
    {<<".*">>,[]}]}.