Update the candidacy bond of collator candidate origin to a new amount new_deposit.
Setting a new_deposit that is lower than the current deposit while origin is
occupying a top-DesiredCandidates slot is not allowed.
This call will fail if origin is not a collator candidate, the updated bond is lower
than the minimum candidacy bond, and/or the amount cannot be reserved.
Update the candidacy bond of collator candidate
originto a new amountnew_deposit.Setting a
new_depositthat is lower than the current deposit whileoriginis occupying a top-DesiredCandidatesslot is not allowed.This call will fail if
originis not a collator candidate, the updated bond is lower than the minimum candidacy bond, and/or the amount cannot be reserved.