haskell.packages.ghc98.ghc-lib: fix the eval

Without the change eval fails as:

    $ nix build --no-link -f. haskell.packages.ghc98.ghc-lib
    error:
       … in the left operand of the update (//) operator
         at pkgs/development/haskell-modules/lib/compose.nix:40:7:
           39|     mkDerivation = drv: (args.mkDerivation drv).override f;
           40|   })) // {
             |       ^
           41|     overrideScope = scope: overrideCabal f (drv.overrideScope scope);

       error: attribute 'ghc-lib_9_8_1_20231121' missing
       at pkgs/development/haskell-modules/configuration-ghc-9.8.x.nix:58:26:
           57|   ghc-lib-parser-ex = doDistribute self.ghc-lib-parser-ex_9_8_0_2;
           58|   ghc-lib = doDistribute self.ghc-lib_9_8_1_20231121;
             |                          ^
           59|   megaparsec = doDistribute self.megaparsec_9_6_1;

0 files changed, 0 insertions, 0 deletions