Upgrade to Astro 4.x

package.json

@@ -12,28 +12,28 @@
     "lint:eslint": "eslint --fix \"src/**/*.{js,ts,jsx,tsx,astro}\""
   },
   "dependencies": {
-    "@astrojs/rss": "^3.0.0",
-    "@astrojs/sitemap": "^3.0.3",
-    "astro": "^3.5.5"
+    "@astrojs/rss": "^4.0.5",
+    "@astrojs/sitemap": "^3.1.1",
+    "astro": "^4.4.9"
   },
   "devDependencies": {
-    "@astrojs/check": "^0.3.1",
-    "@iconify-json/heroicons": "^1.1.13",
-    "@iconify-json/logos": "^1.1.38",
+    "@astrojs/check": "^0.5.6",
+    "@iconify-json/heroicons": "^1.1.20",
+    "@iconify-json/logos": "^1.1.42",
     "@julr/unocss-preset-forms": "^0.1.0",
-    "@types/node": "^20.9.2",
-    "@typescript-eslint/parser": "^6.11.0",
-    "@unocss/reset": "^0.57.5",
-    "eslint": "^8.54.0",
-    "eslint-plugin-astro": "^0.29.1",
+    "@types/node": "^20.11.24",
+    "@typescript-eslint/parser": "^7.1.0",
+    "@unocss/reset": "^0.58.5",
+    "eslint": "^8.57.0",
+    "eslint-plugin-astro": "^0.31.4",
     "eslint-plugin-jsx-a11y": "^6.8.0",
     "eslint-plugin-markdown": "^3.0.1",
-    "eslint-plugin-mdx": "^2.2.0",
-    "prettier": "^3.1.0",
-    "prettier-plugin-astro": "^0.12.2",
-    "prettier-plugin-tailwindcss": "^0.5.7",
-    "typescript": "^5.2.2",
-    "unocss": "^0.57.5",
-    "vite": "^5.0.0"
+    "eslint-plugin-mdx": "^3.1.5",
+    "prettier": "^3.2.5",
+    "prettier-plugin-astro": "^0.13.0",
+    "prettier-plugin-tailwindcss": "^0.5.11",
+    "typescript": "^5.3.3",
+    "unocss": "^0.58.5",
+    "vite": "^5.1.4"
   }
 }