feat(bot): ✨ Set the status to DND on restart.

payphone/cogs/mods/cog.py

@@ -297,7 +297,12 @@ class Mods(base.Cog):
                 pass
 
         await ctx.send(
-            "⚡ Notified all channels of calls hang up. Flushing messages to the DB..."
+            "⚡ Notified all channels of calls hang up. Updating Payphone's status..."
+        )
+
+        await self.bot.change_presence(
+            activity=discord.CustomActivity(name="Payphone is restarting."),
+            status=discord.Status.do_not_disturb
         )
 
         await self.bot.redis.delete(constants.CHANNELS_ONCALL_SET)