release.nix: add haskell.packages.ghc910.haskell-language-server (#354537)

Author: maralorn

pkgs/top-level/release.nix

@@ -334,6 +334,7 @@ let
         "ghc94"
         "ghc96"
         "ghc98"
+        "ghc910"
       ] (compilerName: {
         inherit (packagePlatforms pkgs.haskell.packages.${compilerName})
           haskell-language-server;