Expand approvers for intentional regressions to include arch team

[dgoodwin]

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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[dgoodwin]

/hold

[jmguzik]

/pipeline required

[openshift-ci-robot]

Scheduling required tests:
/test e2e

[openshift-ci]

@dgoodwin: all tests passed!

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