fix(deps): update dependency @astrojs/starlight-tailwind to v2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@astrojs/starlight-tailwind (source)	^1.0.2 -> ^2.0.0

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Release Notes

withastro/starlight (@​astrojs/starlight-tailwind)

### [`v2.0.0`](https://togithub.com/withastro/starlight/blob/HEAD/packages/tailwind/CHANGELOG.md#200) [Compare Source](https://togithub.com/withastro/starlight/compare/@astrojs/starlight-tailwind@1.0.2...@astrojs/starlight-tailwind@2.0.0) ##### Major Changes - [#​615](https://togithub.com/withastro/starlight/pull/615) [`7b75b3e`](https://togithub.com/withastro/starlight/commit/7b75b3eb7e6f7870a0adef2d6534ff48309fdb0e) Thanks [@​delucis](https://togithub.com/delucis)! - Bump minimum required Astro version to 3.0 ⚠️ **BREAKING CHANGE** Astro v2 is no longer supported. Make sure you update [Astro](https://docs.astro.build/en/guides/upgrade-to/v3/), [Starlight](https://starlight.astro.build/getting-started/#updating-starlight), and any other integrations at the same time as updating the Tailwind plugin.

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