Merge branch 'hgn' into 'master'

Preprocess against 9.10.1

See merge request !194

flake.lock

@@ -63,11 +63,11 @@
         "nixpkgs": "nixpkgs_3"
       },
       "locked": {
-        "lastModified": 1716663825,
-        "narHash": "sha256-w+hFyYMRRHjhR92riGZBUXdndieeXmdSx32VhdAvbO8=",
+        "lastModified": 1716803469,
+        "narHash": "sha256-c+nzG13FZdcGrzwrZ0JKrxpsQCXUkR6vLUP/PrBu/6g=",
         "ref": "refs/heads/master",
-        "rev": "b1664bc87270e47a27e45f34f5527893abf1cca4",
-        "revCount": 224,
+        "rev": "e7465d5bfc1fe38a16c196f1c9d64643c68c9687",
+        "revCount": 233,
         "type": "git",
         "url": "https://gitlab.horizon-haskell.net/package-sets/horizon-advance"
       },

horizon.dhall

@@ -607,5 +607,5 @@ let packages =
 in  H.HorizonExport.MakeOverlay
       { overlayFile = "overlay.nix"
       , packagesDir = "pkgs/"
-      , overlay = { compiler = "ghc-9.8.1", packages = toMap packages }
+      , overlay = { compiler = "ghc-9.10.1", packages = toMap packages }
       }