chore(deps): update all dependencies

[renovate[bot]]

This Pull Request renovates the package group "all dependencies".

Note: This PR was created on a configured schedule ("before 3am on Monday") and will not receive updates outside those times.

• unified (dependencies): from ^6.1.6 to ^7.0.0
• unified-args (dependencies): from ^5.1.0 to ^6.0.0

Release Notes

unifiedjs/unified

### [`v7.0.0`](https://github.com/unifiedjs/unified/releases/7.0.0) [Compare Source](https://github.com/unifiedjs/unified/compare/6.2.0...7.0.0) * a4d948b Update `vfile` (see [vfile@​3.0.0](https://github.com/vfile/vfile/releases/tag/3.0.0)) ---

unifiedjs/unified-args

### [`v6.0.0`](https://github.com/unifiedjs/unified-args/releases/6.0.0) [Compare Source](https://github.com/unifiedjs/unified-args/compare/5.1.0...6.0.0) * cfde7a0 Update `unified-engine` ([unified@​7.0.0](https://github.com/unifiedjs/unified/releases/tag/7.0.0) and [unified-engine@​6.0.0](https://github.com/unifiedjs/unified-engine/releases/tag/6.0.0)) * 9a86af8 Use stdout(4) instead of stderr(4) for `-v`, `-h` ([GH-18](`https://github.com/unifiedjs/unified-args/issues/18`)) * 4852b1a Refactor code-style * a7d8020 Update `camelcase`, `chokidar`, and `json5` ([GH-19](`https://github.com/unifiedjs/unified-args/pull/19`)) ---

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This PR has been generated by Renovate Bot.