nix: update flake lock

Was unfortunately not able to implement vm test suite before this release. Hopefully the last nixos update we have to follow.

Signed-off-by: Ophestra <cat@gensokyo.uk>

flake.lock

@@ -7,32 +7,32 @@
         ]
       },
       "locked": {
-        "lastModified": 1772985280,
-        "narHash": "sha256-FdrNykOoY9VStevU4zjSUdvsL9SzJTcXt4omdEDZDLk=",
+        "lastModified": 1780361225,
+        "narHash": "sha256-wnV9ttf4fPWNonBIQmvlrSlNpQYgx5HgWWd007mwIFA=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "8f736f007139d7f70752657dff6a401a585d6cbc",
+        "rev": "e28654b71096e08c019d4861ca26acb646f583d8",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
-        "ref": "release-25.11",
+        "ref": "release-26.05",
         "repo": "home-manager",
         "type": "github"
       }
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1772822230,
-        "narHash": "sha256-yf3iYLGbGVlIthlQIk5/4/EQDZNNEmuqKZkQssMljuw=",
+        "lastModified": 1780453794,
+        "narHash": "sha256-bXMRa9VTsHSPXL4Cw8R6JJLQeY3Y/IP4+YJCYVmQ7FY=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "71caefce12ba78d84fe618cf61644dce01cf3a96",
+        "rev": "6b316287bae2ee04c9b93c8c858d930fd07d7338",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-25.11",
+        "ref": "nixos-26.05",
         "repo": "nixpkgs",
         "type": "github"
       }