[v4] used `@keyframes` are removed when using `prefix` option

[dimaMachina]

What version of Tailwind CSS are you using?

playground

What build tool (or framework if it abstracts the build tool) are you using?

playground

What version of Node.js are you using?

playground

What browser are you using?

chrome

What operating system are you using?

macOS

Reproduction URL

https://play.tailwindcss.com/8k0xGZ2vL1

Describe your issue

generated output doesn't contain

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

[philipp-spiess]

Hey! Thanks for the bug report; This is fixed in main already and will be part of the next patch release (hopefully later today): #16850

[dimaMachina]

@philipp-spiess amazing, huge thanks 🙏