fix: fix azcopy exec timeout func

[umagnus]

What type of PR is this?

/kind bug

What this PR does / why we need it:

fix: fix azcopy exec timeout func, use WaitForExecCompletion func in util.go waits for the exec function to complete or times out

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:

none

[k8s-ci-robot]

Hi @umagnus. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[andyzhangx]

/ok-to-test

[andyzhangx]

/retest

[andyzhangx]

/lgtm

[andyzhangx]

/cherrypick release-1.30

[andyzhangx]

/cherrypick release-1.29

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx, umagnus

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[k8s-infra-cherrypick-robot]

@andyzhangx: #1751 failed to apply on top of branch "release-1.29":

Applying: add timeout util func
Using index info to reconstruct a base tree...
M	pkg/azurefile/azurefile.go
M	pkg/azurefile/controllerserver.go
M	pkg/azurefile/controllerserver_test.go
M	pkg/util/util.go
M	pkg/util/util_test.go
Falling back to patching base and 3-way merge...
Auto-merging pkg/util/util_test.go
Auto-merging pkg/util/util.go
Auto-merging pkg/azurefile/controllerserver_test.go
CONFLICT (content): Merge conflict in pkg/azurefile/controllerserver_test.go
Auto-merging pkg/azurefile/controllerserver.go
CONFLICT (content): Merge conflict in pkg/azurefile/controllerserver.go
Auto-merging pkg/azurefile/azurefile.go
CONFLICT (content): Merge conflict in pkg/azurefile/azurefile.go
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Patch failed at 0001 add timeout util func
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: new pull request created: #1758

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.