kubevirt,presubmits: Set v1.32 e2e lanes to required

[brianmcarey]

What this PR does / why we need it:

The v1.32 presubmit lanes appear to be stable - move them to required and move v1.31 to phase 2.

https://testgrid.k8s.io/kubevirt-presubmits

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 #

Special notes for your reviewer:

/cc @dhiller @xpivarc

Checklist

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• Design: A design document was considered and is present (link) or not required
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• Upgrade: Impact of this change on upgrade flows was considered and addressed if required
• Testing: New code requires new unit tests. New features and bug fixes require at least on e2e test
• Documentation: A user-guide update was considered and is present (link) or not required. You want a user-guide update if it's a user facing feature / API change.
• Community: Announcement to kubevirt-dev was considered

Release note:

[kubevirt-bot]

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[kubevirt-bot]

@brianmcarey: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-project-infra-lint	fae2c17	link	true	/test pull-project-infra-lint

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