chore(deps-dev): bump next from 15.3.3 to 15.5.0

Bumps [next](https://github.com/vercel/next.js) from 15.3.3 to 15.5.0.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.3.3...v15.5.0)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 15.5.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

packages/docs/package.json

@@ -48,7 +48,7 @@
     "@types/styled-components": "^5.1.34",
     "eslint-plugin-mdx": "^3.1.5",
     "jsx-to-string-loader": "^1.2.0",
-    "next": "^15.3.3",
+    "next": "^15.5.0",
     "typescript": "^5.6.3"
   }
 }