Use node UID for VG creation instead of name

[Sneha-at]

What type of PR is this?

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/kind api-change
/kind bug
/kind cleanup
/kind design
/kind documentation
/kind failing-test
/kind feature
/kind flake

What this PR does / why we need it:
We are running into certain cases where where duplicate VGs are being created as teh node name remains same but underlying instance is updated.
Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: Sneha-at
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[k8s-ci-robot]

@Sneha-at: The following tests 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	1042bce	link	true	/test pull-gcp-compute-persistent-disk-csi-driver-e2e
pull-gcp-compute-persistent-disk-csi-driver-kubernetes-integration	1042bce	link	true	/test pull-gcp-compute-persistent-disk-csi-driver-kubernetes-integration
pull-gcp-compute-persistent-disk-csi-driver-e2e-windows-2022	1042bce	link	false	/test pull-gcp-compute-persistent-disk-csi-driver-e2e-windows-2022
pull-gcp-compute-persistent-disk-csi-driver-e2e-windows-2019	1042bce	link	false	/test pull-gcp-compute-persistent-disk-csi-driver-e2e-windows-2019

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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