Creates a consts for common values in conformance

[carmal891]

What type of PR is this?
/area conformance-test

What this PR does / why we need it:

This PR introduces a dedicated consts.go file under conformance/utils/suite to centralize commonly reused constant values within the conformance suite

Which issue(s) this PR fixes:

Fixes #4025

Does this PR introduce a user-facing change?:

NONE

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: carmal891
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• conformance/OWNERS

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[k8s-ci-robot]

Hi @carmal891. Thanks for your PR.

I'm waiting for a kubernetes-sigs 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.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[carmal891]

@candita @rikatz Please help to review in your free time