Add support for ghc-8.10.6

[jneira]

• haskell github action cant setup ghc-8.10.6

[Mistuke]

Hmm seems my email filters filtered out the announcement.. Fair enough, I'll release it tomorrow

[Mistuke]

Fixed through c767355 and since upstream has fixed integer-simple packages this is the first release with interger-simple support. https://community.chocolatey.org/packages/ghc/8.10.6