Do we use `aria-errormessage` instead of `aria-describedby`

[mimarz]

When do we add support for aria-errormessage, should we even though its not fully supported?

We are currently using aria-invalid in combination with aria-describedby which is also an valid option.

Notes:

• https://github.com/w3c/aria/issues/2048
• https://github.com/w3c/aria/issues/2048#issuecomment-1743299817