Log Message:
Update to hashtables-1.3

1.3
    Support Hashable 1.4. This new version of Hashable drops the Eq
    constraint, so the Eq constraint needs to be dropped in the SPECIALIZE
    statements in Hashtables.

1.2.4.2
    Cabal file: add missing other-modules Silence import warnings. Know
    that we require ghc >= 7.8. Fix build with GHC 9.2