Bump @unleash/nextjs from 1.5.0 to 1.6.0 (#2238)

Bumps [@unleash/nextjs](https://github.com/Unleash/unleash-client-nextjs) from 1.5.0 to 1.6.0.
- [Release notes](https://github.com/Unleash/unleash-client-nextjs/releases)
- [Commits](Unleash/unleash-client-nextjs@v1.5.0...v1.6.0)

---
updated-dependencies:
- dependency-name: "@unleash/nextjs"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -21,7 +21,7 @@
         "@react-pdf/types": "^2.7.0",
         "@tanstack/query-core": "^5.62.15",
         "@tanstack/react-query": "^5.62.15",
-        "@unleash/nextjs": "^1.5.0",
+        "@unleash/nextjs": "^1.6.0",
         "classnames": "^2.5.1",
         "cookie": "^1.0.2",
         "date-fns": "^4.1.0",