fix: select go124

Author: staaldraad

nix/packages/gatekeeper.nix

@@ -1,7 +1,7 @@
-{ pkgs, inputs, ... }:
+{ pkgs, ... }:
 let
 
-  go124 = inputs.nixpkgs-go124.legacyPackages.${pkgs.system}.go_1_24;
+  go124 = pkgs.go_1_24;
   buildGoModule124 = pkgs.buildGoModule.override { go = go124; };
 
   upstream-gatekeeper = buildGoModule124 {