chore(deps): bump the npm-production group across 1 directory with 3 updates

Bumps the npm-production group with 3 updates in the /website directory: [@astrojs/check](https://github.com/withastro/astro/tree/HEAD/packages/language-tools/astro-check), [@astrojs/markdown-remark](https://github.com/withastro/astro/tree/HEAD/packages/markdown/remark) and [@astrojs/starlight](https://github.com/withastro/starlight/tree/HEAD/packages/starlight).


Updates `@astrojs/check` from 0.9.10 to 0.9.12
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/language-tools/astro-check/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/@astrojs/check@0.9.12/packages/language-tools/astro-check)

Updates `@astrojs/markdown-remark` from 7.3.2 to 7.3.5
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/markdown/remark/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/@astrojs/markdown-remark@7.3.5/packages/markdown/remark)

Updates `@astrojs/starlight` from 0.42.6 to 0.42.7
- [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@0.42.7/packages/starlight)

---
updated-dependencies:
- dependency-name: "@astrojs/check"
  dependency-version: 0.9.12
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm-production
- dependency-name: "@astrojs/markdown-remark"
  dependency-version: 7.3.5
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm-production
- dependency-name: "@astrojs/starlight"
  dependency-version: 0.42.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm-production
...

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Author: dependabot[bot]