Bump next from 15.3.4 to 15.5.4

Bumps [next](https://github.com/vercel/next.js) from 15.3.4 to 15.5.4.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.3.4...v15.5.4)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 15.5.4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package.json

@@ -20,7 +20,7 @@
     "install": "^0.13.0",
     "lighthouse": "^12.6.1",
     "negotiator": "^1.0.0",
-    "next": "15.3.4",
+    "next": "15.5.4",
     "next-intl": "^4.3.4",
     "next-sitemap": "^4.2.3",
     "npm": "^11.4.2",