flake.nix: nix flake update

flake.lock

@@ -174,11 +174,11 @@
         "nixpkgs": "nixpkgs_8"
       },
       "locked": {
-        "lastModified": 1703888223,
-        "narHash": "sha256-zd2TBMtyN6MEmYlNmvdwfOP2/dmBsZr1GDtzwxPWSTQ=",
+        "lastModified": 1703949102,
+        "narHash": "sha256-2z0T4nFlsjKgwJk1Kir1g0vWfQEiTVQqxfKYQHUiA/A=",
         "ref": "refs/heads/master",
-        "rev": "9d9049aa65422be9c0d851f940b275782bae1d4c",
-        "revCount": 124,
+        "rev": "013ba41fc2b3082cb9dedc6b9385f4587694d8ae",
+        "revCount": 130,
         "type": "git",
         "url": "https://gitlab.horizon-haskell.net/package-sets/horizon-advance"
       },
@@ -610,11 +610,11 @@
     },
     "nixpkgs_8": {
       "locked": {
-        "lastModified": 1703438236,
-        "narHash": "sha256-aqVBq1u09yFhL7bj1/xyUeJjzr92fXVvQSSEx6AdB1M=",
+        "lastModified": 1703637592,
+        "narHash": "sha256-8MXjxU0RfFfzl57Zy3OfXCITS0qWDNLzlBAdwxGZwfY=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "5f64a12a728902226210bf01d25ec6cbb9d9265b",
+        "rev": "cfc3698c31b1fb9cdcf10f36c9643460264d0ca8",
         "type": "github"
       },
       "original": {