build: bump astro v5 (#52)

Author: peterpeterparker

templates/astro-starter/package.json

@@ -11,14 +11,14 @@
     "format": "prettier --write ."
   },
   "devDependencies": {
-    "@astrojs/check": "^0.9.3",
-    "@astrojs/mdx": "^3.1.5",
-    "@astrojs/rss": "^4.0.7",
-    "@astrojs/sitemap": "^3.1.6",
+    "@astrojs/check": "^0.9.4",
+    "@astrojs/mdx": "^4.0.1",
+    "@astrojs/rss": "^4.0.10",
+    "@astrojs/sitemap": "^3.2.1",
     "@astrojs/tailwind": "^5.1.3",
     "@junobuild/config": "^0.0.17",
     "@junobuild/vite-plugin": "^0.0.19",
-    "astro": "^4.15.1",
+    "astro": "^5.0.3",
     "prettier": "^3.4.2",
     "prettier-plugin-astro": "^0.14.1",
     "tailwindcss": "^3.4.16",