gomacro: fix go 1.25 build error by explicitly using buildGo124Module

pkgs/by-name/go/gomacro/package.nix

@@ -1,10 +1,13 @@
 {
   lib,
-  buildGoModule,
+  # Build fails with Go 1.25, with the following error:
+  # 'vendor/golang.org/x/tools/internal/tokeninternal/tokeninternal.go:64:9: invalid array length -delta * delta (constant -256 of type int64)'
+  # Wait for upstream to update their vendored dependencies before unpinning.
+  buildGo124Module,
   fetchFromGitHub,
 }:
 
-buildGoModule {
+buildGo124Module {
   pname = "gomacro";
   version = "2.7-unstable-2024-01-07";