Update openshift-client.yaml with optional results field

[Shrubberer]

Added a results field with an optional RESULT to emit output for use in pipeline or next tasks. The default value is set to an empty string according to TEP-0048: Task Results without Results.

Changes

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      ```
    
      spec:
        description: >-
          one line summary of the resource
    
          Paragraph(s) to describe the resource.
      ```
    

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[linux-foundation-easycla]

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[tekton-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[tekton-robot]

Hi @Shrubberer. Thanks for your PR.

I'm waiting for a tektoncd member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[tekton-robot]

The following Tekton test failed:

Test name	Commit	Details	Required	Rerun command
pull-catalog-catlin-lint	99ec25a	link	true	/test pull-catalog-catlin-lint

[tekton-robot]

Catlin Output

FILE: task/openshift-client/0.2/openshift-client.yaml
WARN : Step "oc" uses image "quay.io/openshift/origin-cli:$(params.VERSION)" that contains variables; skipping validation

Catlin script lint Output

ERROR: /usr/bin/shellcheck, [-s bash] failed:

In openshift-client-oc line 4:
cd $(workspaces.manifest-dir.path)
^-- SC2164 (warning): Use 'cd ... || exit' or 'cd ... || return' in case cd fails.
   ^-----------------------------^ SC2046 (warning): Quote this to prevent word splitting.

Did you mean: 
cd $(workspaces.manifest-dir.path) || exit


In openshift-client-oc line 8:
export KUBECONFIG=$(workspaces.kubeconfig-dir.path)/kubeconfig
       ^--------^ SC2155 (warning): Declare and assign separately to avoid masking return values.


In openshift-client-oc line 10:
echo "" > $(results.RESULT.path)
          ^--------------------^ SC2046 (warning): Quote this to prevent word splitting.


In openshift-client-oc line 12:
$(params.SCRIPT)
^--------------^ SC2091 (warning): Remove surrounding $() to avoid executing output (or use eval if intentional).

For more information:
  https://www.shellcheck.net/wiki/SC2046 -- Quote this to prevent word splitt...
  https://www.shellcheck.net/wiki/SC2091 -- Remove surrounding $() to avoid e...
  https://www.shellcheck.net/wiki/SC2155 -- Declare and assign separately to ...

[vinamra28]

hi @Shrubberer, can you please sign the CLA?