chore(deps): update dependency tsdown to ^0.20.0

Author: renovate[bot]

pnpm-workspace.yaml

@@ -200,7 +200,7 @@ catalog:
   terminal-link: ^5.0.0
   ts-node: ^10.9.2
   tsconfig-paths: ^4.2.0
-  tsdown: ^0.18.2
+  tsdown: ^0.20.0
   tsx: 4.20.6
   type-fest: ^5.0.1
   type-is: ^2.0.0