chore(deps): update dependency voidzero-dev/setup-vp to v1.20.0

Author: renovate[bot]

packages/cli/src/utils/constants.ts

@@ -19,7 +19,7 @@ export const VITEST_VERSION = '4.1.11';
 
 // Exact action release used by generated workflows and the @v1 migration.
 // The Renovate custom manager keeps this value current.
-export const SETUP_VP_VERSION = 'v1.19.0';
+export const SETUP_VP_VERSION = 'v1.20.0';
 
 export const TSDOWN_MIGRATION_SKILL_URL =
   'https://github.com/rolldown/tsdown/blob/main/skills/tsdown-migrate/SKILL.md';