[]bytes tries to convert to []uint8

[domgolonka]

yaml:
key: "MYRANDOMEKEY"

proto:
bytes key = 1 [(gogoproto.moretags) = "yaml:",omitempty""];

proto.go
Key []byte protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty" yaml:",omitempty"

{"level":"fatal","error":"yaml: unmarshal errors:\n line 86: cannot unmarshal !!str MYRANDOMEKEY... into []uint8","time":"2020-07-03T21:33:59-07:00"}