build(deps-dev): bump tsup from 8.3.6 to 8.4.0

Bumps [tsup](https://github.com/egoist/tsup) from 8.3.6 to 8.4.0.
- [Release notes](https://github.com/egoist/tsup/releases)
- [Commits](egoist/tsup@v8.3.6...v8.4.0)

---
updated-dependencies:
- dependency-name: tsup
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -27,7 +27,7 @@
         "happy-dom": "^17.1.8",
         "prettier": "^3.5.2",
         "rimraf": "6.0.1",
-        "tsup": "^8.3.6",
+        "tsup": "^8.4.0",
         "turbo": "^2.4.2",
         "typescript": "^5.7.3",
         "vitest": "^3.0.7",