chore(deps): update dependency tsup to v8

Author: renovate[bot]

package.json

@@ -41,7 +41,7 @@
     "cac": "6.7.14",
     "eslint": "^8.42.0",
     "esno": "0.16.3",
-    "tsup": "7.3.0",
+    "tsup": "8.4.0",
     "typescript": "5.6.3",
     "url-join": "5.0.0",
     "vitest": "0.32.2"