chore: upgrade Astro to v5

Author: carsakiller

package.json

@@ -11,10 +11,10 @@
     "astro": "astro"
   },
   "dependencies": {
-    "@astrojs/mdx": "^3.1.2",
+    "@astrojs/mdx": "^4.3.0",
     "@fortawesome/fontawesome-free": "^6.5.2",
     "@types/lodash": "^4.17.6",
-    "astro": "^4.11.5",
+    "astro": "^5.8.0",
     "autoprefixer": "^10.4.19",
     "axios": "^1.7.2",
     "dayjs": "^1.11.11",