bug: select optgroup style

[printf83]

Reproduction URL (Required)

https://play.tailwindcss.com/4Lb8SDE16q

What version of daisyUI are you using?

v5.1.3

Which browsers are you seeing the problem on?

Chrome

Describe your issue

need better style for select optgroup

[github-actions]

Thank you @printf83 for reporting issues. It helps daisyUI a lot 💚
I'll be working on issues one by one. I will help with this one as soon as a I find a solution.
In the meantime providing more details and reproduction links would be helpful.

[printf83]

update Reproduction URL. the old one I write using my phone. hope this help you https://play.tailwindcss.com/oYPyl5XDKK