feat: update inputs, remove asahi's mesa workaround

hosts/12kingdoms-shoukei/apple-silicon.nix

@@ -3,7 +3,6 @@
   pkgs,
   nixos-apple-silicon,
   my-asahi-firmware,
-  nixpkgs-mesa,
   ...
 }:
 {
@@ -13,13 +12,6 @@
 
   zramSwap.memoryPercent = lib.mkForce 75;
 
-  # Workaround for Mesa 25.3.1 regression
-  # https://github.com/nix-community/nixos-apple-silicon/issues/380
-  # https://github.com/NixOS/nixpkgs/pull/461866
-  hardware.graphics.package =
-    assert pkgs.mesa.version == "25.3.1";
-    (import nixpkgs-mesa { localSystem = pkgs.stdenv.hostPlatform; }).mesa;
-
   nix.settings = {
     extra-substituters = [
       "https://nixos-apple-silicon.cachix.org"