deps: update astro to 5.17.1

package.json

@@ -14,7 +14,7 @@
   "dependencies": {
     "@astrojs/check": "0.9.6",
     "@astrojs/starlight": "0.37.1",
-    "astro": "5.16.5",
+    "astro": "5.17.1",
     "astro-mermaid": "1.2.0",
     "mermaid": "11.12.2",
     "typescript": "5.9.3"
@@ -22,6 +22,6 @@
   "devDependencies": {
     "cspell": "9.4.0",
     "gray-matter": "4.0.3",
-    "vitest": "4.0.18"
+    "vitest": "4.0.15"
   }
 }