They did try to use Covid funding for the elections, asked for 2 billion, got $400 million. It’s from the Time article, a long but interesting read.
https://www.google.com/amp/s/time.com/5936036/secret-2020-election-campaign/%3famp=true
In March, activists appealed to Congress to steer COVID relief money to election administration. Led by the Leadership Conference on Civil and Human Rights, more than 150 organizations signed a letter to every member of Congress seeking $2 billion in election funding. It was somewhat successful: the CARES Act, passed later that month, contained $400 million in grants to state election administrators. But the next tranche of relief funding didn’t add to that number. It wasn’t going to be enough.
Private philanthropy stepped into the breach. An assortment of foundations contributed tens of millions in election-administration funding. The Chan Zuckerberg Initiative chipped in $300 million. “It was a failure at the federal level that 2,500 local election officials were forced to apply for philanthropic grants to fill their needs,”