Fix Tildy reacting with dizzy to Webhooks where they don't have `mana…

…ge_webhooks` permission

botto/tld_botto.py

@@ -443,7 +443,7 @@ async def on_message(self, message: Message):
                 webhook = await self.fetch_webhook(webhook_id)
                 if webhook.type != discord.WebhookType.incoming:
                     return
-            except discord.NotFound:
+            except discord.NotFound | discord.Forbidden:
                 pass
         if message.author.id == self.user.id:
             log.debug(f"Ignoring message {message.id} from self")