Update Nix flake to latest 25.05 (current stable)

nix/flake.lock

@@ -1,40 +1,23 @@
 {
   "nodes": {
-    "drduhConfig": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1719781410,
-        "narHash": "sha256-cmtAG7UQX7mVNoHHpVIqasfkjnO7VtBMcz8MJ7frO0k=",
-        "owner": "drduh",
-        "repo": "config",
-        "rev": "4eca229664d056737f1a097cdbdb10e5f247b0bc",
-        "type": "github"
-      },
-      "original": {
-        "owner": "drduh",
-        "repo": "config",
-        "type": "github"
-      }
-    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1721226092,
-        "narHash": "sha256-UBvzVpo5sXSi2S/Av+t+Q+C2mhMIw/LBEZR+d6NMjws=",
+        "lastModified": 1761468971,
+        "narHash": "sha256-vY2OLVg5ZTobdroQKQQSipSIkHlxOTrIF1fsMzPh8w8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c716603a63aca44f39bef1986c13402167450e0a",
+        "rev": "78e34d1667d32d8a0ffc3eba4591ff256e80576e",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-24.05",
+        "ref": "nixos-25.05",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
     "root": {
       "inputs": {
-        "drduhConfig": "drduhConfig",
         "nixpkgs": "nixpkgs"
       }
     }

nix/flake.nix

@@ -2,7 +2,7 @@
   description = "A Nix Flake for an xfce-based system with YubiKey setup";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-24.05";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
   };
 
   outputs = {
@@ -37,7 +37,7 @@
               '';
               shortcut = pkgs.makeDesktopItem {
                 name = "yubikey-guide";
-                icon = "${pkgs.yubikey-manager-qt}/share/icons/hicolor/128x128/apps/ykman.png";
+                icon = "${pkgs.yubioath-flutter}/share/icons/com.yubico.yubioath.png";
                 desktopName = "YubiKey Guide";
                 genericName = "Guide to using YubiKey for GnuPG and SSH";
                 comment = "Open YubiKey Guide in a reader program";
@@ -190,7 +190,6 @@
 
                 # Yubico's official tools
                 yubikey-manager
-                yubikey-manager-qt
                 yubikey-personalization
                 yubikey-personalization-gui
                 yubico-piv-tool
@@ -216,7 +215,7 @@
                 yubikeyGuide
 
                 # PDF and Markdown viewer
-                okular
+                kdePackages.okular
               ];
 
               # Disable networking so the system is air-gapped
@@ -265,7 +264,7 @@
                 ln -sf ${dicewareWebApp}/share/applications/${dicewareWebApp.name} ${desktopDir}
                 ln -sfT ${self} ${documentsDir}/YubiKey-Guide
               '';
-              system.stateVersion = "24.05";
+              system.stateVersion = "25.05";
             }
           )
         ];