chore(deps-dev): bump astro from 3.5.0 to 6.1.6

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 3.5.0 to 6.1.6.
- [Release notes](https://github.com/withastro/astro/releases)
- [Changelog](https://github.com/withastro/astro/blob/main/packages/astro/CHANGELOG-v3.md)
- [Commits](https://github.com/withastro/astro/commits/astro@6.1.6/packages/astro)

---
updated-dependencies:
- dependency-name: astro
  dependency-version: 6.1.6
  dependency-type: direct:development
...

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

Author: dependabot[bot]

packages/astro/package.json

@@ -62,7 +62,7 @@
     "@sentry/vite-plugin": "^5.2.0"
   },
   "devDependencies": {
-    "astro": "^3.5.0",
+    "astro": "^6.1.6",
     "vite": "^5.4.11"
   },
   "scripts": {