feat(tip): rename premium coffee tiers

src/app/tip/__tests__/tip-coffee-tier-selector.test.tsx

@@ -20,13 +20,13 @@ const items: readonly TipCoffeeTierItem[] = [
   },
   {
     type: "medium",
-    displayName: "Golden Reserve",
+    displayName: "Gilded Heart",
     priceLabel: "US$ 9.99",
     unavailable: false,
   },
   {
     type: "large",
-    displayName: "Imperial Grand Cru",
+    displayName: "Crown Blossom",
     priceLabel: "US$ 19.99",
     unavailable: false,
   },
@@ -67,8 +67,8 @@ describe("TipCoffeeTierSelector", () => {
     act(() => root.render(<Harness />));
 
     expect(container.textContent).toContain("Velvet Espresso");
-    expect(container.textContent).toContain("Golden Reserve");
-    expect(container.textContent).toContain("Imperial Grand Cru");
+    expect(container.textContent).toContain("Gilded Heart");
+    expect(container.textContent).toContain("Crown Blossom");
     expect(
       container.querySelector<HTMLInputElement>('input[value="medium"]')
         ?.checked,