Cherry-pick Ensuring all paths in powershell are passes and env vars on library-development

[ritazh]

What type of PR is this? /kind bug

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: Ensuring all paths in powershell are passes and env vars to avoid command injection attacks

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

Ensuring all paths in powershell are passes as env vars

[k8s-ci-robot]

Hi @ritazh. Thanks for your PR.

I'm waiting for a kubernetes-csi 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.

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[jsafrane]

/ok-to-test

[jsafrane]

/triage accepted /approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jsafrane, ritazh

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/kubernetes-csi/csi-proxy/blob/library-development/OWNERS)~~ [jsafrane] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[jsafrane]

/lgtm