fix(deps): update astro monorepo

Author: renovate[bot]

package-lock.json

@@ -17,11 +17,11 @@
   },
   "dependencies": {
     "@astrojs/check": "^0.9.9",
-    "@astrojs/mdx": "^6.0.1",
+    "@astrojs/mdx": "^6.0.2",
     "@astrojs/rss": "^4.0.18",
     "@astrojs/sitemap": "^3.7.3",
     "@fontsource/arvo": "^5.2.7",
-    "astro": "^6.4.3",
+    "astro": "^6.4.4",
     "astro-icon": "^1.1.5",
     "markdown-it": "^14.2.0",
     "rehype-external-links": "^3.0.0",