Extra string in action output

[Jiri-Stary]

When the action fails, it add a wrongly formatted message

`   - name: Analyze for critical and high CVEs
      id: docker-scout-scan
      uses: docker/scout-action@v1
      with:
        command: quickview,cves,recommendations,sbom
        image:  "${{ inputs.container_image_destination }}:${{ inputs.container_image_destination_tag }}"
        sarif-file: docker-scout_scan.sarif
        summary: true
        exit-code: true
        debug: ${{ env.ACTION_STEP_DEBUG == 'true' }}
        dockerhub-user: ${{inputs.TOOL_DOCKERHUB_REGISTRY_USER}}
        dockerhub-password: ${{inputs.TOOL_DOCKERHUB_REGISTRY_PASS}}
        # credentials needed to pull private (base) images
        registry-user:  ${{inputs.ARTIFACTORY_USER }}
        registry-password:  ${{inputs.ARTIFACTORY_PASS }}
        output: docker-scout_sbom.json
        format: spdx