[release-2.11] modified agent images for jenkins as well as submariner

[openshift-cherrypick-robot]

This is an automated cherry-pick of #770

/assign vthapar

/cherrypick release-2.10 release-2.9 release-2.8

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[openshift-cherrypick-robot]

@openshift-cherrypick-robot: new pull request created: #772

In response to this:

This is an automated cherry-pick of #770

/assign vthapar

/cherrypick release-2.10 release-2.9 release-2.8

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