Bump next from 16.1.1 to 16.1.7 in /examples/magento-open-source

Bumps [next](https://github.com/vercel/next.js) from 16.1.1 to 16.1.7.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v16.1.1...v16.1.7)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.1.7
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

examples/magento-open-source/package.json

@@ -115,7 +115,7 @@
     "dotenv": "16.6.1",
     "framer-motion": "11.18.2",
     "graphql": "^16.12.0",
-    "next": "16.1.1",
+    "next": "16.1.7",
     "next-sitemap": "4.2.3",
     "react": "^19.2.0",
     "react-dom": "^19.2.0",