[create-pull-request] automated change

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:dwinkler1/rixpkgs/af2dd3f' (2026-02-17)
  → 'github:dwinkler1/rixpkgs/028af91' (2026-05-07)

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1778520264,
+        "lastModified": 1778115084,
-        "narHash": "sha256-OjpxoQsZSsyXJxtgKJsbNKX5KaSZRaEeaqQj3rmI5uM=",
+        "narHash": "sha256-K+Rz+pghAmynE83+e9svnNYsDgPnbEohrcPb6duG5wM=",
         "owner": "dwinkler1",
         "repo": "rixpkgs",
-        "rev": "88147cbbf4be689ea32ed5cbf9370a6aa95fd08e",
+        "rev": "028af91e9161008fce750f3e249afe471a302037",
         "type": "github"
       },
       "original": {