Release v1.31.2

[mmerkes]

What type of PR is this?
/kind feature

What this PR does / why we need it:
Creates 1.31.2 release
Which issue(s) this PR fixes:
N/A

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

[k8s-ci-robot]

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[cartermckinnon]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: cartermckinnon

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