Merge branch 'merge/lts/ghc-9.6.x/gitlab-develop-flake-update' into 'lts/ghc-9.6.x'

develop/flake.nix: nix flake update

See merge request !37

develop/flake.lock

@@ -748,11 +748,11 @@
         "horizon-shell": "horizon-shell"
       },
       "locked": {
-        "lastModified": 1703764892,
-        "narHash": "sha256-0GQ011ASNzcNM5LKDweWkbDdWWt3oxEAto/FDCTIgzQ=",
+        "lastModified": 1703773383,
+        "narHash": "sha256-KoNktcuQPJmmxiaJu5EXcT4/q8AzeukXWS5tXRsIwiM=",
         "ref": "refs/heads/master",
-        "rev": "e83936a14758691583a7f9ef17e089a1c5289c37",
-        "revCount": 16,
+        "rev": "974ad08688c3c2d6b9a9486b9c60678d46cc6af9",
+        "revCount": 18,
         "type": "git",
         "url": "https://gitlab.horizon-haskell.net/nix/horizon-develop-flake"
       },