chore(deps): update dependency tsup to v8.4.0

Author: renovate[bot]

package.json

@@ -33,7 +33,7 @@
     "@plasmo/config": "workspace:*",
     "@plasmohq/rps": "1.8.7",
     "@types/node": "22.9.0",
-    "tsup": "8.3.5",
+    "tsup": "8.4.0",
     "typescript": "5.6.3"
   },
   "dependencies": {