There only seem to be a couple older petitions on ResistBot at the moment, but keep an eye here for any new petitions.
This petition from Color of Change is calling for Biden to redesignate Haitian migrants in the US as Temporary Protection Status (ending their deportation).
CWS Global has a form to fill to send your federal reps an email urging them to support displaced Haitians.
The School Sisters of Notre Dame’s message (sent to the president, VP, and your senators) urges an end to illegal US weapons into Haiti, an end to deporting Haitians from the US, an increase in aid, and a Haitian-led solution to restore democracy.