message: fix(hardware): serial number field needs from_string to be updated from can_comm
diff: @@ -118,6 +118,11 @@ class SerialField(utils.BinaryFieldBase[bytes]):
  NUM_BYTES = 12
  FORMAT = f"{NUM_BYTES}s"
  + @classmethod
  + def from_string(cls, t: str) -> SerialField:
  + """Create from a string."""
  + return cls(binascii.unhexlify(t)[: cls.NUM_BYTES])
  +
  class SensorOutputBindingField(utils.UInt8Field):
  """sensor type."""
  