Bump the dependencies group with 4 updates

Bumps the dependencies group with 4 updates: [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro), [htmlhint](https://github.com/htmlhint/HTMLHint), [@astrojs/check](https://github.com/withastro/astro/tree/HEAD/packages/language-tools/astro-check) and [prettier](https://github.com/prettier/prettier).


Updates `astro` from 5.15.9 to 5.16.3
- [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@5.16.3/packages/astro)

Updates `htmlhint` from 1.7.1 to 1.8.0
- [Release notes](https://github.com/htmlhint/HTMLHint/releases)
- [Commits](htmlhint/HTMLHint@v1.7.1...v1.8.0)

Updates `@astrojs/check` from 0.9.5 to 0.9.6
- [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@0.9.6/packages/language-tools/astro-check)

Updates `prettier` from 3.6.2 to 3.7.3
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@3.6.2...3.7.3)

---
updated-dependencies:
- dependency-name: astro
  dependency-version: 5.16.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
- dependency-name: htmlhint
  dependency-version: 1.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
- dependency-name: "@astrojs/check"
  dependency-version: 0.9.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dependencies
- dependency-name: prettier
  dependency-version: 3.7.3
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dependencies
...

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Author: dependabot[bot]