Update dependency tsup to v8

Author: renovate[bot]

Diff for: package.json

@@ -40,7 +40,7 @@
     "@types/node": "16.11.25",
     "@types/unixify": "1.0.0",
     "eslint": "8.9.0",
-    "tsup": "5.11.13",
+    "tsup": "8.0.0",
     "typescript": "4.5.5",
     "vitest": "0.5.0"
   },