Module Octez_agnostic_baker.Per_block_votes

TODO: This is a copy paste of `src/proto_alpha/lib_protocol/per_block_votes.ml`, arguably it should be moved to the environment as the agnostic baker needs it.

type per_block_vote =
  1. | Per_block_vote_on
  2. | Per_block_vote_off
  3. | Per_block_vote_pass
type per_block_votes = {
  1. liquidity_baking_vote : per_block_vote;
}