[StepAction] taskSpec.results in Pipeline not works with workspaces about pipeline HOT 5 CLOSED

apiVersion: tekton.dev/v1
kind: Pipeline

metadata:
  name: build-module-nodejs-frontend-v1-sadev2
  labels:
    kustomize.toolkit.fluxcd.io/substitute: disabled
    app.kubernetes.io/version: "1.0.5"

spec:
  # workspaces:
  #   - name: ws

  params:
    - name: value

  tasks:
    - name: main
      # workspaces:
      #   - name: ws
      taskSpec:
        # workspaces:
        #   - name: ws
        results:
          - name: build-ts
            value: $(steps.build-ts.results.value)
        steps:
          - name: build-ts
            ref:
              name: build-ts-v1.2

apiVersion: tekton.dev/v1
kind: PipelineRun
metadata:
  generateName: build-module-nodejs-frontend-v1-dev2-
  labels:
    tekton/concurrency-group: build-module-nodejs-frontend-v1-dev
    tekton/run-group: build-module-nodejs-frontend-v1-dev

spec:
  # workspaces:
  #   - name: ws
  #     emptyDir: {}

  pipelineRef:
    name: build-module-nodejs-frontend-v1-sadev2
  params:
    - name: value
      value: yyy