Bump the next-js group across 1 directory with 4 updates

Bumps the next-js group with 4 updates in the / directory: [next](https://github.com/vercel/next.js), [react](https://github.com/facebook/react/tree/HEAD/packages/react), [react-dom](https://github.com/facebook/react/tree/HEAD/packages/react-dom) and [eslint-config-next](https://github.com/vercel/next.js/tree/HEAD/packages/eslint-config-next).


Updates `next` from 16.2.6 to 16.2.9
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v16.2.6...v16.2.9)

Updates `react` from 19.2.4 to 19.2.7
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/react/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v19.2.7/packages/react)

Updates `react-dom` from 19.2.4 to 19.2.7
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/react/react/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v19.2.7/packages/react-dom)

Updates `eslint-config-next` from 16.2.6 to 16.2.9
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](https://github.com/vercel/next.js/commits/v16.2.9/packages/eslint-config-next)

---
updated-dependencies:
- dependency-name: eslint-config-next
  dependency-version: 16.2.7
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: next-js
- dependency-name: next
  dependency-version: 16.2.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: next-js
- dependency-name: react
  dependency-version: 19.2.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: next-js
- dependency-name: react-dom
  dependency-version: 19.2.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: next-js
...

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Author: dependabot[bot]