Comment optional post-install field in the ghcup metadata script and fix typos #12436

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10 warnings

The import of ‘try’ from module ‘Control.Exception’ is redundant

The import of ‘System.OsString.Internal.Types’ is redundant

The qualified import of ‘System.OsString.Data.ByteString.Short’ is redundant

Pattern match(es) are non-exhaustive

Pattern match(es) are non-exhaustive

Pattern match(es) are non-exhaustive

Pattern match(es) are non-exhaustive

‘Data.Hashable.Generic.Instances’ is marked as Trustworthy but has been inferred as safe!

The import of ‘Data.Semigroup’ is redundant

Pattern match has inaccessible right hand side