chore(deps): update astro monorepo

Author: renovate[bot]

package.json

@@ -26,11 +26,11 @@
   },
   "devDependencies": {
     "@astrojs/check": "^0.9.8",
-    "@astrojs/markdown-remark": "^6.3.11",
-    "@astrojs/mdx": "^4.3.14",
+    "@astrojs/markdown-remark": "^7.0.0",
+    "@astrojs/mdx": "^7.0.0",
     "@astrojs/rss": "^4.0.18",
     "@astrojs/sitemap": "^3.7.2",
-    "@astrojs/svelte": "^7.2.5",
+    "@astrojs/svelte": "^9.0.0",
     "@catppuccin/catppuccin": "github:catppuccin/catppuccin#7e4506607b8a6c298ce0876e385c52281e879245",
     "@catppuccin/palette": "^1.8.0",
     "@iconify-json/ph": "^1.2.2",