[vega] Moves to unstable to fix issues building hy3

flake.lock

@@ -21,6 +21,26 @@
         "type": "github"
       }
     },
+    "home-manager-unstable": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs-unstable"
+        ]
+      },
+      "locked": {
+        "lastModified": 1747834438,
+        "narHash": "sha256-AHJt79W8wADzur2htCx1U8FtEk4XjvrHb9/3iDfNedI=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "6c2eb1e24cd0e76d88bdd633ef4c50d6286586e0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1747610100,
@@ -37,10 +57,28 @@
         "type": "github"
       }
     },
+    "nixpkgs-unstable": {
+      "locked": {
+        "lastModified": 1747744144,
+        "narHash": "sha256-W7lqHp0qZiENCDwUZ5EX/lNhxjMdNapFnbErcbnP11Q=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "2795c506fe8fb7b03c36ccb51f75b6df0ab2553f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "home-manager": "home-manager",
+        "home-manager-unstable": "home-manager-unstable",
         "nixpkgs": "nixpkgs",
+        "nixpkgs-unstable": "nixpkgs-unstable",
         "sops-nix": "sops-nix"
       }
     },