fix(deps): update astro monorepo

Author: renovate[bot]

package.json

@@ -11,15 +11,15 @@
     "astro": "astro"
   },
   "dependencies": {
-    "@astrojs/mdx": "0.19.7",
-    "@astrojs/react": "2.3.2",
-    "@astrojs/rss": "2.4.4",
-    "@astrojs/sitemap": "1.4.0",
-    "@astrojs/tailwind": "3.1.3",
+    "@astrojs/mdx": "4.3.0",
+    "@astrojs/react": "4.3.0",
+    "@astrojs/rss": "4.0.12",
+    "@astrojs/sitemap": "3.4.1",
+    "@astrojs/tailwind": "6.0.2",
     "@fontsource/jetbrains-mono": "4.5.12",
     "@fontsource/lexend": "4.5.15",
     "@tailwindcss/typography": "0.5.16",
-    "astro": "2.10.15",
+    "astro": "5.8.2",
     "mdast-util-to-string": "3.2.0",
     "react": "18.3.1",
     "react-dom": "18.3.1",