Sample SBOM task format

sbom_task_format.yaml

apiVersion: tekton.dev/v1
kind: Task
metadata:
  name: sbom-task
  annotations: 
    task.output.location: results
    task.results.format: application/text
    task.results.key: LINK_TO_SBOM
spec:
  results:
      - name: LINK_TO_SBOM
        description: Contains the SBOM link
  steps:
    - name: print-sbom-results
      image: bash:latest
      script: |
        #!/usr/bin/env bash
        echo 'quay.io/redhat-user-workloads/karthik-jk-tenant/node-express-hello/node-express-hello:build-8e536-1692702836' | tee $(results.LINK_TO_SBOM.path)
---
apiVersion: tekton.dev/v1
kind: PipelineRun
metadata:
  name: pipelinerun-with-sbom-task
spec:
  pipelineSpec:
    tasks:
      - name: sbom-task
        taskRef:
          name: sbom-task
    results:
    - name: LINK_TO_SBOM
      description:  Contains the SBOM link
      value: $(tasks.sbom-task.results.LINK_TO_SBOM)