fix: Simplify exception handling in DM user method

Author: seriaati

hoyo_buddy/bot/bot.py

@@ -290,7 +290,7 @@ async def dm_user(
 
         try:
             message = await user.send(content, **kwargs)
-        except (discord.Forbidden, discord.HTTPException):
+        except discord.Forbidden:
             logger.debug(f"Failed to DM user {user_id}")
         except Exception as e:
             self.capture_exception(e)