Bump next from 15.1.7 to 15.2.3 in /packages/nextjs-mercury

Bumps [next](https://github.com/vercel/next.js) from 15.1.7 to 15.2.3.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.1.7...v15.2.3)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

packages/nextjs-mercury/package.json

@@ -13,7 +13,7 @@
   "dependencies": {
     "@genexus/chameleon-controls-library": "~6.4.0",
     "@genexus/mercury": "~0.17.0",
-    "next": "15.1.7",
+    "next": "15.2.3",
     "react": "^19.0.0",
     "react-dom": "^19.0.0"
   },