fix(deps): Update dependency execa to v9.4.0 (#225)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [execa](https://togithub.com/sindresorhus/execa) | dependencies | minor | [`9.3.1` -> `9.4.0`](https://renovatebot.com/diffs/npm/execa/9.3.1/9.4.0) |

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### Release Notes

<details>
<summary>sindresorhus/execa (execa)</summary>

### [`v9.4.0`](https://togithub.com/sindresorhus/execa/releases/tag/v9.4.0)

[Compare Source](https://togithub.com/sindresorhus/execa/compare/v9.3.1...v9.4.0)

#### Features

-   We've created a separate package called [nano-spawn](https://togithub.com/sindresorhus/nano-spawn). It is similar to Execa but with fewer features, for a much smaller package size. [More info.](https://togithub.com/sindresorhus/execa/blob/main/docs/small.md)

#### Bug fixes

-   Both [`execaNode()`](https://togithub.com/sindresorhus/execa/blob/main/docs/node.md) and the [`preferLocal`](https://togithub.com/sindresorhus/execa/blob/main/docs/environment.md#local-binaries) option modify the `PATH` environment variable. This release includes some minor improvements to ensure that environment variable remains small ([https://github.com/sindresorhus/npm-run-path/pull/20](https://togithub.com/sindresorhus/npm-run-path/pull/20)). It also handles a few related edge cases better ([https://github.com/sindresorhus/npm-run-path/pull/21](https://togithub.com/sindresorhus/npm-run-path/pull/21)).

#### Documentation

-   Small documentation typo fix, thanks [@&#8203;rrthomas](https://togithub.com/rrthomas)! ([#&#8203;1153](https://togithub.com/sindresorhus/execa/issues/1153))

</details>

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