chore(build): update to latest zig changes

build.zig

@@ -65,9 +65,9 @@ pub fn build(b: *std.Build) void {
     const zgui_pkg = zgui.package(b, target, optimize, .{ .options = .{ .backend = .sdl2_opengl3, .shared = true } });
     zgui_pkg.link(exe);
 
-    exe.install();
+    b.installArtifact(exe);
 
-    const run_cmd = exe.run();
+    const run_cmd = b.addRunArtifact(exe);
     run_cmd.step.dependOn(b.getInstallStep());
     if (b.args) |args| {
         run_cmd.addArgs(args);