chore(deps): bump the dependencies group in /website with 3 updates

Bumps the dependencies group in /website with 3 updates: [@astrojs/starlight](https://github.com/withastro/starlight/tree/HEAD/packages/starlight), [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) and [starlight-llms-txt](https://github.com/delucis/starlight-llms-txt/tree/HEAD/packages/starlight-llms-txt).


Updates `@astrojs/starlight` from 0.37.1 to 0.37.3
- [Release notes](https://github.com/withastro/starlight/releases)
- [Changelog](https://github.com/withastro/starlight/blob/main/packages/starlight/CHANGELOG.md)
- [Commits](https://github.com/withastro/starlight/commits/@astrojs/starlight@0.37.3/packages/starlight)

Updates `astro` from 5.16.6 to 5.16.11
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/astro/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/astro@5.16.11/packages/astro)

Updates `starlight-llms-txt` from 0.6.0 to 0.7.0
- [Release notes](https://github.com/delucis/starlight-llms-txt/releases)
- [Changelog](https://github.com/delucis/starlight-llms-txt/blob/main/packages/starlight-llms-txt/CHANGELOG.md)
- [Commits](https://github.com/delucis/starlight-llms-txt/commits/starlight-llms-txt@0.7.0/packages/starlight-llms-txt)

---
updated-dependencies:
- dependency-name: "@astrojs/starlight"
  dependency-version: 0.37.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: astro
  dependency-version: 5.16.11
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: starlight-llms-txt
  dependency-version: 0.7.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
...

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Author: dependabot[bot]