[Bug Report][3.0.0-beta.3] event 'group:selected' is not declared in the emits option

[MathisTLD]

Environment

Vuetify Version: 3.0.0-beta.3
Vue Version: 3.2.13
Browsers: Chrome 101.0.4951.64
OS: Mac OS 10.15.7

Steps to reproduce

open the console

Expected Behavior

no warnings

Actual Behavior

get warning
"Component emitted event "group:selected" but it is neither declared in the emits option nor as an "onGroup:selected" prop."

Reproduction Link

https://codepen.io/mathis_tld/pen/ZEroNMw?editors=101

Other comments

event is declared here but we don't mention it in the emits section of the component

I would love to patch this myself but I'm not sure which branch i'll had to fork to submit my pr (is it the next branch ?)