Bump astro from 4.16.18 to 4.16.19 (#59)

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 4.16.18 to 4.16.19.
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/[email protected]/packages/astro/CHANGELOG.md)
- [Commits](https://github.com/withastro/astro/commits/[email protected]/packages/astro)

---
updated-dependencies:
- dependency-name: astro
  dependency-version: 4.16.19
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -14,6 +14,6 @@
     "@astrojs/mdx": "^3.1.5",
     "@astrojs/rss": "^4.0.7",
     "@astrojs/sitemap": "^3.1.6",
-    "astro": "^4.16.18"
+    "astro": "^4.16.19"
   }
 }