Merge pull request #8666 from Mikolaj/add-support-for-ghc-9.6

Bump known ghc versions in cabal library to < 9.8

Author: mergify[bot]

Cabal/src/Distribution/Simple/GHC.hs

@@ -140,12 +140,12 @@ configure verbosity hcPath hcPkgPath conf0 = do
       (userMaybeSpecifyPath "ghc" hcPath conf0)
   let implInfo = ghcVersionImplInfo ghcVersion
 
-  -- Cabal currently supports ghc >= 7.0.1 && < 9.6
+  -- Cabal currently supports ghc >= 7.0.1 && < 9.8
   -- ... and the following odd development version
-  unless (ghcVersion < mkVersion [9,6]) $
+  unless (ghcVersion < mkVersion [9,8]) $
     warn verbosity $
          "Unknown/unsupported 'ghc' version detected "
-      ++ "(Cabal " ++ prettyShow cabalVersion ++ " supports 'ghc' version < 9.6): "
+      ++ "(Cabal " ++ prettyShow cabalVersion ++ " supports 'ghc' version < 9.8): "
       ++ programPath ghcProg ++ " is version " ++ prettyShow ghcVersion
 
   -- This is slightly tricky, we have to configure ghc first, then we use the