chore(dependencies): update package versions to 15.4.3 and 2.31.8 (#309)

- Bumped `next` version from `15.4.2` to `15.4.3` across multiple packages for improved compatibility.
- Updated `react-i18next` from `15.6.0` to `15.6.1` in several packages to incorporate the latest features and fixes.
- Incremented `@stripe/react-stripe-js` from `3.7.0` to `3.8.0` and `@stripe/stripe-js` from `7.5.0` to `7.6.1` for enhanced functionality.
- Updated `@keystatic/core` from `0.5.47` to `0.5.48` for better integration.
- Incremented `supabase` from `2.30.4` to `2.31.8` to ensure the latest improvements and bug fixes are included.

apps/dev-tool/package.json

@@ -13,7 +13,7 @@
     "@tanstack/react-query": "5.83.0",
     "ai": "4.3.19",
     "lucide-react": "^0.525.0",
-    "next": "15.4.2",
+    "next": "15.4.3",
     "nodemailer": "^7.0.5",
     "react": "19.1.0",
     "react-dom": "19.1.0",