Log Message:
lang/hs-hslua-marshalling: Update to 2.2.1

hslua-marshalling-2.2.1 - Released 2022-06-19
* Require hslua-core-2.2.1.
* Relax upper bound for mtl, allow mtl-2.3.

hslua-marshalling-2.2.0 - Released 2022-02-19
* Result is now an instance of Foldable and Traversable. Both Result and
  Peek are made instances of MonadPlus.
* Require hslua-core-2.2.0.