fix: refine GetFreeSpace call on Windows

[andyzhangx]

What type of PR is this?
/kind bug

What this PR does / why we need it:
fix: refine GetFreeSpace call on Windows

this PR could get rid of expensive powershell command (Get-Item -Path $Env:mount).Target

I0412 11:24:54.552255   21436 utils.go:105] GRPC call: /csi.v1.Node/NodeGetVolumeStats
I0412 11:24:54.552255   21436 utils.go:106] GRPC request: {"volume_id":"/subscriptions/b9d2281e-dcd5-4dfd-9a97-0d50377cdf76/resourceGroups/MC_andy-aks127_andy-aks127_eastus2euap/providers/Microsoft.Compute/disks/pvc-9a2a1408-7661-46d6-ae6f-53f8139d501b","volume_path":"c:\\var\\lib\\kubelet\\pods\\ff7d184e-9672-447e-8036-7c3425f85233\\volumes\\kubernetes.io~csi\\pvc-9a2a1408-7661-46d6-ae6f-53f8139d501b\\mount"}
I0412 11:24:54.552255   21436 utils.go:112] GRPC response: {"usage":[{"available":3183468544,"total":3204378624,"unit":1,"used":20910080}]}

Which issue(s) this PR fixes:

Fixes #

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests
• tested upgrade from previous version

Special notes for your reviewer:

Release note:

fix: refine GetFreeSpace call on Windows

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx

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[andyzhangx]

/retest

[andyzhangx]

/retest

[k8s-ci-robot]

@andyzhangx: 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-azuredisk-csi-driver-e2e-capz	be62a33	link	true	/test pull-azuredisk-csi-driver-e2e-capz

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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[andyzhangx]

/cherrypick release-1.30

[andyzhangx]

/cherrypick release-1.29

[andyzhangx]

/cherrypick release-1.28

[k8s-infra-cherrypick-robot]

@andyzhangx: #2287 failed to apply on top of branch "release-1.30":

Applying: fix: refine GetFreeSpace call on Windows
Applying: fix: use GetFreeSpace call in ExpandVolume on Windows
Using index info to reconstruct a base tree...
M	go.mod
M	pkg/os/volume/volume.go
Falling back to patching base and 3-way merge...
Auto-merging pkg/os/volume/volume.go
Auto-merging go.mod
CONFLICT (content): Merge conflict in go.mod
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0002 fix: use GetFreeSpace call in ExpandVolume on Windows
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/cherrypick release-1.30

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[k8s-infra-cherrypick-robot]

@andyzhangx: #2287 failed to apply on top of branch "release-1.29":

Applying: fix: refine GetFreeSpace call on Windows
Applying: fix: use GetFreeSpace call in ExpandVolume on Windows
Using index info to reconstruct a base tree...
M	go.mod
M	pkg/azuredisk/nodeserver.go
M	pkg/os/volume/volume.go
Falling back to patching base and 3-way merge...
Auto-merging pkg/os/volume/volume.go
Auto-merging pkg/azuredisk/nodeserver.go
Auto-merging go.mod
CONFLICT (content): Merge conflict in go.mod
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0002 fix: use GetFreeSpace call in ExpandVolume on Windows
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/cherrypick release-1.29

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[k8s-infra-cherrypick-robot]

@andyzhangx: #2287 failed to apply on top of branch "release-1.28":

Applying: fix: refine GetFreeSpace call on Windows
Applying: fix: use GetFreeSpace call in ExpandVolume on Windows
Using index info to reconstruct a base tree...
M	go.mod
M	pkg/azuredisk/nodeserver.go
M	pkg/os/volume/volume.go
Falling back to patching base and 3-way merge...
Auto-merging pkg/os/volume/volume.go
Auto-merging pkg/azuredisk/nodeserver.go
Auto-merging go.mod
CONFLICT (content): Merge conflict in go.mod
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0002 fix: use GetFreeSpace call in ExpandVolume on Windows
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

In response to this:

/cherrypick release-1.28

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.