chore(deps)(deps): bump next from 15.5.18 to 16.2.6

Bumps [next](https://github.com/vercel/next.js) from 15.5.18 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@v15.5.18...v16.2.6)

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

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

Author: dependabot[bot]

apps/web/package.json

@@ -21,7 +21,7 @@
     "@opentelemetry/semantic-conventions": "^1.40.0",
     "@sentry/node": "^10.52.0",
     "api-client-ts": "workspace:*",
-    "next": "15.5.18",
+    "next": "16.2.6",
     "pino": "^9.6.0",
     "prom-client": "^15.1.3",
     "react": "19.0.0",