Cabal revisions of hlint-2.1.5

Hackage metadata revisions edit the .cabal file after upload; each diff below is one revision.

 build-type:         Simple name:               hlint version:            2.1.5+x-revision: 1 license:            BSD3 license-file:       LICENSE category:           Development     description: Use GPL libraries, specifically hscolour  library+    build-depends: aeson <1.6+     default-language:   Haskell2010     build-depends:         base == 4.*, process, filepath, directory, containers,