Fix default updater not working

This was caused by the Discord Integration using CUSTOM_STATUS as activity, which is not supported by JDA

Author: Matyrobbrt

src/launcher/java/com/mcmoddev/relauncher/DefaultJarUpdater.java

@@ -134,7 +134,7 @@ private void setDiscordActivity(boolean processRunning) {
     public void update(final Release release) throws Exception {
         final var discordIntegration = Main.getDiscordIntegration();
         if (discordIntegration != null) {
-            discordIntegration.setActivity(DiscordIntegration.ActivityType.CUSTOM_STATUS, "Updating a process \uD83D\uDD04");
+            discordIntegration.setActivity(DiscordIntegration.ActivityType.PLAYING, "the updating game \uD83D\uDD04");
         }
 
         final var parent = jarPath.getParent();