chore: update dependency del-cli to v6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
del-cli	^5.0.0 -> ^6.0.0

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Release Notes

sindresorhus/del-cli (del-cli)

### [`v6.0.0`](https://redirect.github.com/sindresorhus/del-cli/releases/tag/v6.0.0) [Compare Source](https://redirect.github.com/sindresorhus/del-cli/compare/v5.1.0...v6.0.0) ##### Breaking - Require Node.js 18 [`de54031`](https://redirect.github.com/sindresorhus/del-cli/commit/de54031) ##### Improvements - Update dependencies [`de54031`](https://redirect.github.com/sindresorhus/del-cli/commit/de54031)

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