Update overlay to test latest 1.8 rc release

[Sneha-at]

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/kind bug
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/kind failing-test
/kind feature
/kind flake

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[Sneha-at]

/retest

[Sneha-at]

/retest

[Sneha-at]

/retest

[Sneha-at]

/retest

[ameukam]

/retest

[Sneha-at]

/retest

[pwschuurman]

/retest

[pwschuurman]

/lgtm

[k8s-ci-robot]

@Sneha-at: 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-gcp-compute-persistent-disk-csi-driver-e2e	6cef6af	link	true	/test pull-gcp-compute-persistent-disk-csi-driver-e2e

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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[mattcary]

Force merging while the test infra issues get sorted out .