Bump astro from 5.16.1 to 5.16.2 in /doc in the astro group
Bumps the astro group in /doc with 1 update: [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro).
Updates `astro` from 5.16.1 to 5.16.2
- [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@5.16.2/packages/astro)
---
updated-dependencies:
- dependency-name: astro
dependency-version: 5.16.2
dependency-type: direct:production
update-type: version-update:semver-patch
dependency-group: astro
...
Signed-off-by: dependabot[bot] <support@github.com>