Update dependencies

Author: porada

package.json

@@ -59,7 +59,7 @@
 		"oxlint-tsgolint": "^0.16.0",
 		"prettier": "^3.8.1",
 		"publint": "^0.3.18",
-		"tsdown": "^0.20.3",
+		"tsdown": "^0.21.0",
 		"typescript": "^5.9.3",
 		"vitest": "^4.0.18"
 	},