Migrate Hyperdisk/CHD/StoragePools to GCE v1 disk API

[amacaskill]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespaces from that line:

/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:
Now that the provisionedIops, provisionedThroughput, enableConfidentialCompute, and storagePool are supported by the GCE v1 disks insert API, this PR migrates the disk insert call to alpha/beta --> v1 for these features. This allows us to clean up the code in /pkg/gce-cloud-provider/compute/gce-compute.go. Multiwriter still requires the GCE beta disks insert API, so the multiwriter feature cannot be migrated to v1 API. I will clean up the Alpha API support, added in PR 1524, in a child PR.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

Migrate the Hyperdisk/CHD/StoragePools features to the GCE v1 insert disk API.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: amacaskill

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[amacaskill]

/assign @sunnylovestiramisu

[amacaskill]

/hold going to test on GKE cluster before this gets submitted.

[amacaskill]

/hold cancel

[sunnylovestiramisu]

/lgtm

[amacaskill]

/cherry-pick release-1.13

[k8s-infra-cherrypick-robot]

@amacaskill: new pull request created: #1668

In response to this:

/cherry-pick release-1.13

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