Addition of :has() pseudo-class

Will [:has()](https://developer.mozilla.org/en-US/docs/Web/CSS/:has) make it to your reference?

It’s still behind a flag in Firefox, but the other modern browser are ready for using it:
![image](https://github.com/codrops/css-reference-issues/assets/441011/9ebf7b82-9bdf-4bf0-8774-5876dd2a1252)

See: https://caniuse.com/?search=has