chore: refactor InstanceAdditionalDiskSpec for reuse in MachinePool#1507

k8s-ci-robot merged 1 commit intokubernetes-sigs:mainkubernetes-sigs/cluster-api-provider-gcp:mainfrom

justinsb:setup_dedup_InstanceAdditionalDiskSpecjustinsb/cluster-api-provider-gcp:setup_dedup_InstanceAdditionalDiskSpecCopy head branch name to clipboard