Bump the next group across 1 directory with 3 updates

Bumps the next group with 3 updates in the / directory: [@auth0/nextjs-auth0](https://github.com/auth0/nextjs-auth0), [next](https://github.com/vercel/next.js) and [eslint-config-next](https://github.com/vercel/next.js/tree/HEAD/packages/eslint-config-next).


Updates `@auth0/nextjs-auth0` from 3.6.0 to 4.0.3
- [Release notes](https://github.com/auth0/nextjs-auth0/releases)
- [Changelog](https://github.com/auth0/nextjs-auth0/blob/main/CHANGELOG.md)
- [Commits](auth0/nextjs-auth0@v3.6.0...v4.0.3)

Updates `next` from 14.2.22 to 15.2.1
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.2.22...v15.2.1)

Updates `eslint-config-next` from 14.2.15 to 15.2.1
- [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/v15.2.1/packages/eslint-config-next)

---
updated-dependencies:
- dependency-name: "@auth0/nextjs-auth0"
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: next
- dependency-name: next
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: next
- dependency-name: eslint-config-next
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: next
...

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Author: dependabot[bot]