fix(deps): update dependency slug to ^9.1.0 (main)

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
slug	^9.0.0 -> ^9.1.0

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Release Notes

Trott/slug (slug)

### [`v9.1.0`](https://togithub.com/Trott/slug/blob/HEAD/CHANGELOG.md#910-2024-05-24) [Compare Source](https://togithub.com/Trott/slug/compare/v9.0.0...v9.1.0) ##### Features - add `remove` option field to playground ([#​445](https://togithub.com/Trott/slug/issues/445)) ([8888d69](https://togithub.com/Trott/slug/commit/8888d69455671bfbe990ae13755735a2a38fa504))

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