doc: update security release stewards
@bengl Would you mind if I take over the next sec release too? I'm working in parallel on https://github.com/nodejs/security-wg/issues/860 and I need to test if that's working.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
@bengl Would you mind if I take over the next sec release too? I'm working in parallel on https://github.com/nodejs/security-wg/issues/860 and I need to test if that's working.