[Azure] VolumeType is not working for Azure in etcdMembers

[ajgupta42]

/kind bug

VolumeType is not working for Azure in etcdMembers

etcdClusters:

• etcdMembers:
  • instanceGroup: master-us-east-1a
    name: a
    volumeType: StandardSSD_LRS

1. What kops version are you running? The command kops version, will display
this information.
v1.28.5

2. What Kubernetes version are you running? kubectl version will print the
version if a cluster is running or provide the Kubernetes version specified as
a kops flag.
v1.28.11

3. What cloud provider are you using?
Azure

4. What commands did you run? What is the simplest way to reproduce this issue?
etcdClusters:

• etcdMembers:
  • instanceGroup: master-us-east-1a
    name: a
    volumeType: StandardSSD_LRS

5. What happened after the commands executed?
Regular HDD is getting used

6. What did you expect to happen?
SSD should be used

7. Please provide your cluster manifest. Execute
kops get --name my.example.com -o yaml to display your cluster manifest.
You may want to remove your cluster name and other sensitive information.

apiVersion: kops.k8s.io/v1alpha2
kind: Cluster
metadata:
  name: <cluster_key>.eastus2.azure.reai.io
spec:
  api:
    loadBalancer:
      type: Public
  authorization:
    rbac: {}
  channel: stable
  cloudConfig:
    azure:
      adminUser: ubuntu
      resourceGroupName: <cluster_key>
      routeTableName: <cluster_key>
      subscriptionId: xxxx
      tenantId: xxxxxx
  cloudLabels:
    cluster-name: <cluster_key>
    k8s.io_cluster-autoscaler_<cluster_key>.eastus2.azure.reai.io: owned
    k8s.io_cluster-autoscaler_enabled: "1"
    k8s.io_cluster-autoscaler_node-template_label: "1"
  cloudProvider: azure
  configBase: azureblob://cluster-configs/<cluster_key>.eastus2.azure.reai.io
  etcdClusters:
  - cpuRequest: 200m
    etcdMembers:
    - instanceGroup: control-plane-eastus2-3
      volumeType: StandardSSD_LRS
      name: etcd-3
    manager:
      backupRetentionDays: 7
    memoryRequest: 100Mi
    name: main
  - cpuRequest: 100m
    etcdMembers:
    - instanceGroup: control-plane-eastus2-3
       volumeType: StandardSSD_LRS
       name: etcd-3
    manager:
      backupRetentionDays: 7
    memoryRequest: 100Mi
    name: events
  iam:
    allowContainerRegistry: true
    legacy: false
  kubeControllerManager:
    terminatedPodGCThreshold: 1024
  kubeDNS:
    provider: CoreDNS
    nodeLocalDNS:
      enabled: true
  kubelet:
    anonymousAuth: false
    authenticationTokenWebhook: true
    authorizationMode: Webhook
    SerializeImagePulls: true
  kubernetesVersion: 1.28.11
  masterPublicName: api.<cluster-key>.eastus2.azure.reai.io
  networkCIDR: 172.26.240.0/20
  kubeProxy:
    enabled: true
  networking:
    cilium:
      enableNodePort: false
  nonMasqueradeCIDR: 100.64.0.0/10
  subnets:
  - cidr: 172.26.240.0/22
    name: utility-eastus2
    region: eastus2
    type: Public
  - cidr: 172.26.248.0/21
    name: eastus2
    region: eastus2
    type: Private
  topology:
    dns:
      type: None
    masters: private
    nodes: private
  updatePolicy: external

8. Please run the commands with most verbose logging by adding the -v 10 flag.
Paste the logs into this report, or in a gist and provide the gist link here.

9. Anything else do we need to know?
Facing this issue only with Azure
cc: @hakman