fix(deps): update dependency astro to v5.1.0

Author: renovate[bot]

package.json

@@ -14,7 +14,7 @@
 	},
 	"dependencies": {
 		"@astrojs/starlight": "0.30.3",
-		"astro": "5.0.9",
+		"astro": "5.1.0",
 		"sharp": "0.33.5"
 	},
 	"devDependencies": {