There is an unecessary `list-type` on the `.carousel-indicators` element

Created by: CyrilKrylatov

Right here: https://github.com/twbs/bootstrap/blob/9e17b2b34cdec9dce063bba09b01aa9a63e7dd94/scss/_carousel.scss#L168

I think it could be removed as in the documentation Bootstrap is using a div element, not an ul.

If you think it's worth the shot, I could make a PR about it.

Should I make it?

One of my 2023 goal is to be more involved in Bootstrap, so it could be a good very first exercice for me!

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