Bump astro from 4.6.3 to 4.16.1

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 4.6.3 to 4.16.1.
- [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@4.16.1/packages/astro)

---
updated-dependencies:
- dependency-name: astro
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

packages/astro-graphviz/package.json

@@ -36,7 +36,7 @@
     "@hpcc-js/wasm": "^2.16.1"
   },
   "devDependencies": {
-    "astro": "^4.0.0"
+    "astro": "^4.16.1"
   },
   "peerDependencies": {
     "astro": "^2.0.0 || ^3.0.0 || ^4.0.0"