meta: bump next from 16.0.10 to 16.1.5

Bumps [next](https://github.com/vercel/next.js) from 16.0.10 to 16.1.5.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v16.0.10...v16.1.5)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.1.5
  dependency-type: direct:production
...

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

Author: dependabot[bot]

apps/site/package.json

@@ -59,7 +59,7 @@
     "github-slugger": "~2.0.0",
     "gray-matter": "~4.0.3",
     "mdast-util-to-string": "^4.0.0",
-    "next": "16.0.10",
+    "next": "16.1.5",
     "next-intl": "~4.5.3",
     "next-themes": "~0.4.6",
     "postcss-calc": "~10.1.1",