chore: update dependency tsup to ^8.5.1

Author: renovate[bot]

package.json

@@ -52,7 +52,7 @@
     "astro": "^4.8.5",
     "defu": "^6.1.4",
     "sharp": "^0.33.4",
-    "tsup": "^8.0.2",
+    "tsup": "^8.5.1",
     "typescript": "^5.4.5",
     "vitest": "^1.6.0"
   },