add guild integrations intent back

src/class/Client.ts

@@ -43,6 +43,7 @@ export default class Client extends DiscordClient {
         Intents.FLAGS.GUILD_EMOJIS_AND_STICKERS,
         Intents.FLAGS.GUILD_WEBHOOKS,
         Intents.FLAGS.GUILD_INVITES,
+        Intents.FLAGS.GUILD_INTEGRATIONS,
         Intents.FLAGS.GUILD_PRESENCES,
         Intents.FLAGS.GUILD_MESSAGES,
         Intents.FLAGS.GUILD_MESSAGE_REACTIONS,