Set using: node20 for verify-debug-artifact-scan-completed on releases/v3

Author: mbg

.github/actions/verify-debug-artifact-scan-completed/action.yml

@@ -1,6 +1,6 @@
 name: Verify that the best-effort debug artifact scan completed
 description: Verifies that the best-effort debug artifact scan completed successfully during tests
 runs:
-  using: node24
+  using: node20
   main: index.js
   post: post.js