Update dependency astro to v6 [SECURITY] (#39)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -26,7 +26,7 @@
     "@radix-ui/react-slot": "^1.2.3",
     "@radix-ui/react-tabs": "^1.1.12",
     "@tailwindcss/vite": "^4.1.8",
-    "astro": "5.17.1",
+    "astro": "6.1.6",
     "astro-breadcrumbs": "^3.3.1",
     "astro-icon": "^1.1.5",
     "class-variance-authority": "^0.7.1",