And ran zig build run, but it didn’t compile. So I added a comma at the end of it, and got the same result. Then I added quotes between the zig and gz with a comma after the concluding quotation mark and same result.
.{
// This is the default name used by packages depending on this one. For
// example, when a user runs zig fetch --save <url>, this field is used
// as the key in the dependencies table. Although the user can choose a
// different name, most users will stick with this provided value.
//
// It is redundant to include “zig” in this name because it is already
// within the Zig package namespace.
.name = “mach”,