Update nix shell to 25.05 feed.

Author: brocaar

.github/workflows/main.yml

@@ -18,7 +18,7 @@ jobs:
         name: Install Nix
         uses: cachix/install-nix-action@v30
         with:
-          nix_path: nixpkgs=channel:nixos-24.11
+          nix_path: nixpkgs=channel:nixos-25.05
       -
         name: Cargo cache
         uses: actions/cache@v4
@@ -61,7 +61,7 @@ jobs:
         name: Install Nix
         uses: cachix/install-nix-action@v30
         with:
-          nix_path: nixpkgs=channel:nixos-24.11
+          nix_path: nixpkgs=channel:nixos-25.05
       -
         name: Cargo cache
         uses: actions/cache@v3

shell.nix

@@ -1,4 +1,4 @@
-{ pkgs ? import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/nixos-24.11.tar.gz") {} }:
+{ pkgs ? import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/nixos-25.05.tar.gz") {} }:
 
 pkgs.mkShell {
   nativeBuildInputs = [