feat: update flake, use os prober on kumatani

nix/flake.lock

@@ -83,11 +83,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1750798083,
-        "narHash": "sha256-DTCCcp6WCFaYXWKFRA6fiI2zlvOLCf5Vwx8+/0R8Wc4=",
+        "lastModified": 1750973805,
+        "narHash": "sha256-BZXgag7I0rnL/HMHAsBz3tQrfKAibpY2vovexl2lS+Y=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "ff31a4677c1a8ae506aa7e003a3dba08cb203f82",
+        "rev": "080e8b48b0318b38143d5865de9334f46d51fce3",
         "type": "github"
       },
       "original": {
@@ -154,11 +154,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1750506804,
-        "narHash": "sha256-VLFNc4egNjovYVxDGyBYTrvVCgDYgENp5bVi9fPTDYc=",
+        "lastModified": 1750776420,
+        "narHash": "sha256-/CG+w0o0oJ5itVklOoLbdn2dGB0wbZVOoDm4np6w09A=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "4206c4cb56751df534751b058295ea61357bbbaa",
+        "rev": "30a61f056ac492e3b7cdcb69c1e6abdcf00e39cf",
         "type": "github"
       },
       "original": {

nix/hosts/kumatani/configuration.nix

@@ -21,6 +21,7 @@
     efiSupport = true;
     device = "nodev";
     efiInstallAsRemovable = true;
+    useOSProber = true;
   };
   networking.hostName = meta.hostname;
   networking.networkmanager.enable = true;

nix/modules/desktop.nix

@@ -37,6 +37,7 @@
       wl-clipboard
       wl-clip-persist
       wdisplays
+      efibootmgr
     ];
     programs.thunar.enable = true;
     programs.hyprland = {