Update dependency astro to v4 [SECURITY]

Author: renovate[bot]

package.json

@@ -26,7 +26,7 @@
 	"devDependencies": {
 		"@typescript-eslint/eslint-plugin": "^6.16.0",
 		"@typescript-eslint/parser": "^6.14.0",
-		"astro": "^3.5.5",
+		"astro": "^4.0.0",
 		"astro-icon": "^0.8.1",
 		"eslint": "^8.45.0",
 		"eslint-config-prettier": "^8.8.0",