build(deps): bump next in the npm_and_yarn group across 1 directory

Bumps the npm_and_yarn group with 1 update in the / directory: [next](https://github.com/vercel/next.js). Updates `next` from 15.2.4 to 15.5.9 - [Release notes](https://github.com/vercel/next.js/releases) - [Changelog](https://github.com/vercel/next.js/blob/canary/release.js) - [Commits](vercel/next.js@v15.2.4...v15.5.9) --- updated-dependencies: - dependency-name: next dependency-version: 15.5.9 dependency-type: direct:production dependency-group: npm_and_yarn ... Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]