use nix goroot

Author: techknowlogick

flake.nix

@@ -33,6 +33,10 @@
             gofumpt
             sqlite
           ];
+          shellHook = ''
+            export GO="${pkgs.go_1_23}/bin/go"
+            export GOROOT="${pkgs.go_1_23}/share/go"
+          '';
         };
       }
     );