Adapt to removal of ListT from transformers-0.6.0

[TeofilC]

Removes ListT instances if transformers no longer exports ListT.
Patch taken from head.hackage https://gitlab.haskell.org/ghc/head.hackage/-/commit/7c0db55f0b4e2d111d5416013ae2cfb31c67b6bb

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• Bumped the version number
• Documented new APIs with Haddock markup
• Added @since declarations to the Haddocks for new, public APIs

After submitting your PR:

• Update the Changelog.md file with a link to your PR
• Check that CI passes (or if it fails, for reasons unrelated to your change, like CI timeouts)

[snoyberg]

Thanks!