chore(deps): bump next from 16.1.7 to 16.2.6

Bumps [next](https://github.com/vercel/next.js) from 16.1.7 to 16.2.6.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v16.1.7...v16.2.6)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.2.6
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package.json

@@ -51,7 +51,7 @@
     "lucide-react": "0.577.0",
     "mdast-util-to-string": "4.0.0",
     "motion": "12.40.0",
-    "next": "16.1.7",
+    "next": "16.2.6",
     "nextra": "4.6.1",
     "nextra-theme-docs": "4.6.1",
     "posthog-js": "1.379.0",