chore(deps): update dependency shiki to v1.9.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
shiki (source)	1.9.0 -> 1.9.1

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Release Notes

shikijs/shiki (shiki)

### [`v1.9.1`](https://togithub.com/shikijs/shiki/releases/tag/v1.9.1) [Compare Source](https://togithub.com/shikijs/shiki/compare/v1.9.0...v1.9.1) #####    🚀 Features - Remove notation escape  -  by [@​sor4chi](https://togithub.com/sor4chi) in [https://github.com/shikijs/shiki/issues/709](https://togithub.com/shikijs/shiki/issues/709) [(dbc1f)](https://togithub.com/shikijs/shiki/commit/dbc1fa1d) #####     [View changes on GitHub](https://togithub.com/shikijs/shiki/compare/v1.9.0...v1.9.1)

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