Bump astro from 6.0.4 to 6.1.6

Bumps [astro](https://github.com/withastro/astro/tree/HEAD/packages/astro) from 6.0.4 to 6.1.6.
- [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@6.1.6/packages/astro)

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

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

Author: dependabot[bot]

package.json

@@ -20,7 +20,7 @@
 		"@astrojs/rss": "4.0.17",
 		"@astrojs/sitemap": "3.7.1",
 		"@tailwindcss/vite": "4.2.1",
-		"astro": "6.0.4",
+		"astro": "6.1.6",
 		"astro-expressive-code": "^0.41.7",
 		"astro-icon": "^1.1.5",
 		"astro-robots-txt": "^1.0.0",