Incorrect param type passed to stepaction makes it use default value

[arifash01]

Github Repo Link to reproduce bug: https://github.com/arifash01/tekton-param-issue

Expected Behavior

Fail the run because the commands param expects a list but a string is passed instead

Actual Behavior

Run succeeds and the logs show the default value instead

• Kubernetes version:

  Output of kubectl version:

Client Version: v1.29.3
Kustomize Version: v5.0.4-0.20230601165947-6ce0bf390ce3
Server Version: v1.29.5-gke.1060000

• Tekton Pipeline version:

  Output of tkn version or kubectl get pods -n tekton-pipelines -l app=tekton-pipelines-controller -o=jsonpath='{.items[0].metadata.labels.version}'

Client version: 0.32.0
Pipeline version: v0.58.0

[chitrangpatel]

Thanks @arifash01! This is indeed a bug.

[samagana]

/assign