nixos: switch to a flake + change /boot part uuid

nixos/flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1722087241,
+        "narHash": "sha256-2ShmEaFi0kJVOEEu5gmlykN5dwjWYWYUJmlRTvZQRpU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "8c50662509100d53229d4be607f1a3a31157fa12",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-24.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

nixos/flake.nix

@@ -0,0 +1,11 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
+  };
+  outputs = { nixpkgs, ... }: {
+    nixosConfigurations.nixos = nixpkgs.lib.nixosSystem {
+      system = "x86_64-linux";
+      modules = [ ./configuration.nix ];
+    };
+  };
+}

nixos/hardware-configuration.nix

@@ -19,7 +19,7 @@
     };
 
   fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/3CAB-9F54";
+    { device = "/dev/disk/by-uuid/929D-FA32";
       fsType = "vfat";
       options = [ "fmask=0022" "dmask=0022" ];
     };