vendor: Bump k8s to 0.31.0

[RamLavi]

What this PR does / why we need it:
This PR bumps vendors of k8s to 0.31.0.
Other significant bumps that were needed:

• controller-runtime to v0.19.3
• kubevirt to v1.4.0
• prometheus-operator to v0.68.0

Updated relevant functions accordingly accordingly.

Special notes for your reviewer:

Release note:

NONE

[kubevirt-bot]

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[RamLavi]

/hold

still need to fix predicates

[sonarqubecloud]

Quality Gate failed

Failed conditions
C Security Rating on New Code (required ≥ A)

See analysis details on SonarQube Cloud

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[kubevirt-bot]

@RamLavi: 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-e2e-cluster-network-addons-operator-workflow-k8s	ce9b6e6	link	true	/test pull-e2e-cluster-network-addons-operator-workflow-k8s

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