[BetterUptime] Datetime issue

[LeDeathAmongst]

What cog is this bug report for?

BetterUptime

What versions are you running?

Versions                        
                ╷             ╷         ╷              
                │ Current     │ Latest  │ Up to date?  
╶───────────────┼─────────────┼─────────┼─────────────╴
  This Cog      │ 2.1.4       │ 2.1.4   │ 🟢           
  Bundled Utils │ b980728     │ b980728 │ 🟢           
  Red           │ 3.5.14.dev4 │ 3.5.13  │ 🟢           
                ╵             ╵         ╵

Describe the bug

Can't subtract offset

If there's an error, paste it here

(most recent call last):
  File "/data/venv/lib/python3.11/site-packages/discord/ext/commands/core.py", line 235, in wrapped
    ret = await coro(*args, **kwargs)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/data/cogs/CogManager/cogs/betteruptime/commands.py", line 38, in uptime_command
    delta = datetime.datetime.utcnow() - self.bot.uptime
            ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
TypeError: can't subtract offset-naive and offset-aware datetimes

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/data/venv/lib/python3.11/site-packages/discord/ext/commands/bot.py", line 1366, in invoke
    await ctx.command.invoke(ctx)
  File "/data/venv/lib/python3.11/site-packages/discord/ext/commands/core.py", line 1029, in invoke
    await injected(*ctx.args, **ctx.kwargs)  # type: ignore
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/data/venv/lib/python3.11/site-packages/discord/ext/commands/core.py", line 244, in wrapped
    raise CommandInvokeError(exc) from exc
discord.ext.commands.errors.CommandInvokeError: Command raised an exception: TypeError: can't subtract offset-naive and offset-aware datetimes