Description of problem:

Applying:

apiVersion: tekton.dev/v1beta1
kind: PipelineRun
metadata:
  name: test-results
spec:
  pipelineSpec:
    results:
      - name: abc
        value: "$(tasks.xxx.results.abc)"
    tasks:
    - name: xxx
      taskSpec:
        results:
          - name: abc
        steps:
        - name: update-sa
          image: registry.redhat.io/openshift4/ose-cli:v4.11
          script: |
            echo '{}' >  $(results.abc.path)
 

PipelineRun fails - 
missmatched Types for these results, map[abc:[string string]]

The same with `echo '{"abc": "yyy"}' >  $(results.abc.path)`

Prerequisites (if any, like setup, operators/versions):

OpenShift Pipelines 1.9.1

Steps to Reproduce

1. <steps>

Actual results:

Expected results:

Reproducibility (Always/Intermittent/Only Once):

Build Details:

Additional info (Such as Logs, Screenshots, etc):