Bump astro from 5.15.6 to 5.16.0 in /docs in the npm_and_yarn group across 1 directory (#1286)

Bump astro in /docs in the npm_and_yarn group across 1 directory

Bumps the npm_and_yarn group with 1 update in the /docs directory: [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro).


Updates `astro` from 5.15.6 to 5.16.0
- [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@5.16.0/packages/astro)

---
updated-dependencies:
- dependency-name: astro
  dependency-version: 5.16.0
  dependency-type: indirect
  dependency-group: npm_and_yarn
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Sean McIlvenna <seanmcilvenna@users.noreply.github.com>

Author: dependabot[bot]