chore: upgrade astro

Author: ubmit

package.json

@@ -16,12 +16,12 @@
   },
   "dependencies": {
     "@astrojs/check": "^0.9.8",
-    "@astrojs/mdx": "^5.0.2",
-    "@astrojs/rss": "^4.0.17",
-    "@astrojs/sitemap": "^3.7.1",
+    "@astrojs/mdx": "^5.0.3",
+    "@astrojs/rss": "^4.0.18",
+    "@astrojs/sitemap": "^3.7.2",
     "@fontsource/work-sans": "^5.0.18",
     "@radix-ui/colors": "^3.0.0",
-    "astro": "^6.0.6",
+    "astro": "^6.1.5",
     "chart.js": "^4.5.1",
     "clsx": "^2.1.0",
     "tailwind-merge": "^3.4.0",