added PROW build for secret-share operator CS 3.6 EUS release

[bitscuit]

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[horis233]

/lgtm

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[ibm-ci-bot]

@bitscuit: Updated the job-config configmap in namespace default using the following files:

• key IBM.ibm-secretshare-operator.release-1.3.yaml using file prow/cluster/jobs/IBM/ibm-secretshare-operator/IBM.ibm-secretshare-operator.release-1.3.yaml

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Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

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/cc @gyliu513 @morvencao

Special notes for your reviewer:

1. Please confirm that if this PR changes any image versions, then that's the sole change this PR makes.

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NONE

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