chore: update dependency execa to v7

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
execa	^6.0.0 -> ^7.0.0

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Release Notes

sindresorhus/execa

### [`v7.0.0`](https://togithub.com/sindresorhus/execa/releases/tag/v7.0.0) [Compare Source](https://togithub.com/sindresorhus/execa/compare/v6.1.0...v7.0.0) ##### Breaking - Require Node.js 14 and later ([#​497](https://togithub.com/sindresorhus/execa/issues/497)) [`a09cbc0`](https://togithub.com/sindresorhus/execa/commit/a09cbc0) ##### Fixes - Emit `end` event on streams when process fails ([#​518](https://togithub.com/sindresorhus/execa/issues/518)) [`30c7a7a`](https://togithub.com/sindresorhus/execa/commit/30c7a7a) - Fix incorrect `execaNode` signature in `index.d.ts` ([#​506](https://togithub.com/sindresorhus/execa/issues/506)) [`1f7677c`](https://togithub.com/sindresorhus/execa/commit/1f7677c)

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