Chore(deps): Bump js-yaml from 4.3.1 to 5.3.0 (#7032)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

src/utils/config/yaml.test.js

@@ -0,0 +1,31 @@
+import { describe, expect, it } from "vitest";
+
+import { loadYaml } from "./yaml";
+
+describe("utils/config/yaml", () => {
+  it.each(["", "  \n", "# comment only\n"])("loads an empty document from %j as undefined", (input) => {
+    expect(loadYaml(input)).toBeUndefined();
+  });
+
+  it("loads a populated document", () => {
+    expect(loadYaml("title: Homepage\n")).toEqual({ title: "Homepage" });
+  });
+
+  it("preserves v4 merge key behavior", () => {
+    expect(loadYaml("defaults: &defaults\n  href: https://example.com\nservice:\n  <<: *defaults\n")).toEqual({
+      defaults: { href: "https://example.com" },
+      service: { href: "https://example.com" },
+    });
+  });
+
+  it("preserves v4 timestamp behavior without enabling YAML 1.1 booleans", () => {
+    expect(loadYaml("date: 2026-08-21\nenabled: yes\n")).toEqual({
+      date: new Date("2026-08-21T00:00:00.000Z"),
+      enabled: "yes",
+    });
+  });
+
+  it("still rejects invalid YAML", () => {
+    expect(() => loadYaml("value: [\n")).toThrow();
+  });
+});