No, they did not. Certainly not according to law.
The slates of electors all voted as expected.
It’s a firewall, O-h. i
Like it or not, it sanitizes the victory of a brutal cheat and legitimizes him. If the VP doesn’t take the bait by upholding one or more objections to state electoral tallies, it’s game over. Try again in another 4 years. You’ve been skunkitinoed!