feat(sequencer): (A-526) rotate publishers when send fails (backport #20888)#20968

AztecBot wants to merge 2 commits intov4AztecProtocol/aztec-packages:v4from

claudebox/cfac9bcd6262b67d-1AztecProtocol/aztec-packages:claudebox/cfac9bcd6262b67d-1Copy head branch name to clipboard