Bump the astro-stack group across 1 directory with 3 updates (#1)

Bumps the astro-stack group with 3 updates in the / directory: [@astrojs/check](https://github.com/withastro/astro/tree/HEAD/packages/language-tools/astro-check), [@astrojs/sitemap](https://github.com/withastro/astro/tree/HEAD/packages/integrations/sitemap) and [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro).


Updates `@astrojs/check` from 0.9.8 to 0.9.10
- [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@0.9.10/packages/language-tools/astro-check)

Updates `@astrojs/sitemap` from 3.7.2 to 3.7.3
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/integrations/sitemap/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/@astrojs/sitemap@3.7.3/packages/integrations/sitemap)

Updates `astro` from 7.1.6 to 7.2.0
- [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@7.2.0/packages/astro)

---
updated-dependencies:
- dependency-name: "@astrojs/check"
  dependency-version: 0.9.10
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: astro-stack
- dependency-name: "@astrojs/sitemap"
  dependency-version: 3.7.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: astro-stack
- dependency-name: astro
  dependency-version: 7.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: astro-stack
...

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Author: dependabot[bot]