chore: bump deps across backend/sdk/website, update demo to latest published package

Author: CYBWithFlourish

backend/package-lock.json

@@ -25,20 +25,20 @@
   "author": "SuiOutKit Team",
   "license": "GPL-3.0",
   "dependencies": {
-    "@mysten/payment-kit": "^0.1.11",
-    "@mysten/sui": "^2.17.0",
-    "@mysten/walrus": "^1.1.7",
+    "@mysten/payment-kit": "^0.2.1",
+    "@mysten/sui": "^2.19.0",
+    "@mysten/walrus": "^1.2.1",
     "cors": "^2.8.6",
     "dotenv": "^17.4.2",
     "express": "^5.2.1",
     "ioredis": "^5.11.1",
     "node-fetch": "^3.3.2",
-    "stripe": "^22.2.1"
+    "stripe": "^22.2.2"
   },
   "devDependencies": {
     "@types/cors": "^2.8.19",
     "@types/express": "^5.0.6",
-    "@types/node": "^25.9.3",
+    "@types/node": "^26.0.0",
     "nodemon": "^3.1.14",
     "typescript": "^6.0.3"
   }

backend/package.json

@@ -135,7 +135,7 @@ <h1>Trion Storefront</h1>
   <script type="module">
     const BACKEND_URL = "https://api.staging.suioutkit.xyz";
     const MERCHANT_ADDRESS = "0x534e227f48fc630b92298948ee57b75db82e7388896f4eefe34e040494f61581";
-    const SDK_URL = "https://unpkg.com/suioutkit@1.2.0/dist/index.js";
+    const SDK_URL = "https://unpkg.com/suioutkit@1.2.1/dist/index.js";
 
     const statusEl = document.getElementById("status");
     const checkoutBtn = document.getElementById("checkout-btn");