fix(deps): update astro monorepo (#1087)

Author: KubeArchitectBot

package.json

@@ -19,7 +19,7 @@
   },
   "dependencies": {
     "@astrojs/check": "0.9.5",
-    "@astrojs/mdx": "4.3.8",
+    "@astrojs/mdx": "4.3.9",
     "@astrojs/react": "^4.2.1",
     "@astrojs/starlight": "0.36.1",
     "@astrojs/starlight-tailwind": "4.0.1",
@@ -31,7 +31,7 @@
     "@tailwindcss/vite": "^4.1.3",
     "@types/react": "^19.0.7",
     "@types/react-dom": "^19.0.3",
-    "astro": "5.15.1",
+    "astro": "5.15.2",
     "astro-robots-txt": "^1.0.0",
     "clsx": "^2.1.1",
     "lucide-react": "^0.548.0",