chore(build.zig): Update for zig v0.13.0

Signed-off-by: prajwalch <[email protected]>

build.zig

@@ -6,9 +6,14 @@ pub fn build(b: *std.Build) void {
     const target = b.standardTargetOptions(.{});
     const optimize = b.standardOptimizeOption(.{});
 
-    const main_tests = b.addTest(.{ .root_source_file = b.path("src/test.zig") });
     const test_step = b.step("test", "Run library tests");
-    test_step.dependOn(&main_tests.step);
+    const unit_tests = b.addTest(.{
+        .root_source_file = b.path("src/test.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+    const run_unit_tests = b.addRunArtifact(unit_tests);
+    test_step.dependOn(&run_unit_tests.step);
 
     const docs_test = b.addTest(.{ .root_source_file = b.path("src/lib.zig") });
     const install_docs = b.addInstallDirectory(.{
@@ -30,6 +35,7 @@ pub fn build(b: *std.Build) void {
         });
         const install_example = b.addInstallArtifact(example, .{});
         example.root_module.addImport("yazap", yazap_mod);
+        examples_step.dependOn(&example.step);
         examples_step.dependOn(&install_example.step);
     }
 }