Bump astro in /docs in the npm_and_yarn group across 1 directory (#157)

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 4.15.12 to 4.16.3
- [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@4.16.3/packages/astro)

---
updated-dependencies:
- dependency-name: astro
  dependency-type: direct:production
  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>

Author: dependabot[bot]

docs/package-lock.json

@@ -12,7 +12,7 @@
   "dependencies": {
     "@astrojs/sitemap": "^3.1.6",
     "@astrojs/starlight": "^0.25.0",
-    "astro": "^4.15.12",
+    "astro": "^4.16.3",
     "sharp": "^0.32.5"
   }
 }