cargo-zigbuild: use zig from buildPackages

Author: NickCao

pkgs/top-level/all-packages.nix

@@ -16636,7 +16636,7 @@ with pkgs;
   cargo-public-api = callPackage ../development/tools/rust/cargo-public-api { };
 
   cargo-zigbuild = callPackage ../development/tools/rust/cargo-zigbuild {
-    zig = zig_0_12;
+    zig = buildPackages.zig_0_12;
   };
 
   cauwugo = callPackage ../development/tools/rust/cauwugo { };