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

Author: renovate[bot]

packages/blog-sync/package.json

@@ -19,7 +19,7 @@
     "remark-parse-frontmatter": "1.0.3",
     "remark-stringify": "10.0.3",
     "to-vfile": "7.2.4",
-    "tsup": "8.3.5",
+    "tsup": "8.4.0",
     "typescript": "5.7.3",
     "unified": "11.0.5",
     "unist-util-remove": "4.0.0",