copy ssh to root

[horis233]

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[ibm-ci-bot]

@horis233: Updated the config configmap in namespace default using the following files:

• key config.yaml using file prow/config.yaml

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What this PR does / why we need it:

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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