Update dependencies and fix optimization suggestion.

package.json

@@ -10,12 +10,12 @@
     "astro": "astro"
   },
   "dependencies": {
-    "@astrojs/check": "^0.3.3",
-    "@astrojs/mdx": "^2.0.1",
-    "@astrojs/rss": "^4.0.1",
-    "@astrojs/sitemap": "^3.0.3",
-    "astro": "^4.16.10",
-    "typescript": "^5.3.3"
+    "@astrojs/check": "^0.3.4",
+    "@astrojs/mdx": "^2.3.1",
+    "@astrojs/rss": "^4.0.9",
+    "@astrojs/sitemap": "^3.2.1",
+    "astro": "^4.16.14",
+    "typescript": "^5.7.2"
   },
   "devDependencies": {
     "prettier": "^3.3.3",