Reexport MonadError(..) from Relude.Monad.Reexport

[alexbiehl]

Resolves #444

In our code base we are using a lot of ExceptT an runExcept. But unfortunately throwError requires an additional import.

Checklist:

HLint

• I've changed the exposed interface (add new reexports, remove reexports, rename reexported things, etc.).
  • I've updated hlint.dhall accordingly to my changes (add new rules for the new imports, remove old ones, when they are outdated, etc.).
  • I've generated the new .hlint.yaml file (see this instructions).

General

• I've updated the CHANGELOG with the short description of my latest changes.
• All new and existing tests pass.
• I keep the code style used in the files I've changed (see style-guide for more details).
• I've used the stylish-haskell file.
• My change requires the documentation updates.
  • I've updated the documentation accordingly.
• I've added the [ci skip] text to the docs-only related commit's name.

[tomjaguarpaw]

Hello @alexbiehl, thanks for your PR. I am an assistant maintainer for the Kowainik ecosystem. Currently most of the Kowainki ecosystem, including Relude, is in emergency maintenance only mode and not accepting new features and I think it's unlikely this PR will be merged (@vrom911 might overrule me, of course).