Bump next from 14.2.15 to 14.2.22 in /docs

Bumps [next](https://github.com/vercel/next.js) from 14.2.15 to 14.2.22.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.2.15...v14.2.22)

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

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

Author: dependabot[bot]

docs/package-lock.json

@@ -19,7 +19,7 @@
   },
   "dependencies": {
     "@feelback/react": "^0.3.4",
-    "next": "^14.2.12",
+    "next": "^14.2.22",
     "@sentry/nextjs": "^7.119.1",
     "next-seo": "^6.1.0",
     "nextra": "^2.13.1",