chore: install tsdown

Author: Belco90

package.json

@@ -85,6 +85,7 @@
 		"semantic-release": "^25.0.2",
 		"semver": "^7.6.3",
 		"ts-node": "^10.9.2",
+		"tsdown": "^0.17.3",
 		"typescript": "^5.7.2",
 		"typescript-eslint": "^8.15.0",
 		"vitest": "^3.2.4"