Bump @nextcloud/eslint-config from 5.1.0 to 6.0.0

Bumps [@nextcloud/eslint-config](https://github.com/nextcloud/eslint-config) from 5.1.0 to 6.0.0.
- [Release notes](https://github.com/nextcloud/eslint-config/releases)
- [Changelog](https://github.com/nextcloud/eslint-config/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nextcloud/eslint-config/compare/v5.1.0...v6.0.0

)

---
updated-dependencies:
- dependency-name: "@nextcloud/eslint-config"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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