Description of problem:

When defining a Tekton Task that utilizes both spec.results and spec.steps[].results, the Task fails with a validation error. Specifically, the error indicates that the variables defined in spec.steps[].results cannot be accessed correctly within the step scripts, leading to a validation failure.
{{Error from server (BadRequest): error when creating "step-action.yaml": admission webhook "validation.webhook.pipeline.tekton.dev" denied the request: validation failed: non-existent variable in "#!/usr/bin/env sh\nset -x\nSINGLE_COMPONENT_MODE=\"scott\"\n\necho -n \"${SINGLE_COMPONENT_MODE}\" > $(step.results.singleComponentMode.path)\necho -n \"tom\" > $(results.resultsDir.path)\n": spec.steps[0].script }}

https://github.com/tektoncd/pipeline/issues/8255

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