message: fix: Expose CellDep fields
diff: @@ -215,8 +215,8 @@ impl From<core::DepType> for DepType {
  #[derive(Clone, Default, Serialize, Deserialize, PartialEq, Eq, Hash, Debug)]
  #[serde(deny_unknown_fields)]
  pub struct CellDep {
  - out_point: OutPoint,
  - dep_type: DepType,
  + pub out_point: OutPoint,
  + pub dep_type: DepType,
  }
  impl From<packed::CellDep> for CellDep {
  