chore(deps): update dependency tsup to v8.5.1

Author: renovate[bot]

package.json

@@ -25,7 +25,7 @@
     "@octokit/rest": "21.1.1",
     "nock": "14.0.10",
     "prettier": "3.6.2",
-    "tsup": "8.5.0",
+    "tsup": "8.5.1",
     "typescript": "5.9.3",
     "vitest": "4.0.4"
   },