[cinder-csi-plugin] fix global config requirement for node-service

[kayrus]

What this PR does / why we need it:

Which issue this PR fixes(if applicable):
fixes #2677

Special notes for reviewers:

Release note:

[cinder-csi-plugin] fix global config requirement for node-service

[kayrus]

/cherry-pick release-1.31

[k8s-infra-cherrypick-robot]

@kayrus: once the present PR merges, I will cherry-pick it on top of release-1.31 in a new PR and assign it to you.

In response to this:

/cherry-pick release-1.31

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[zetaab]

@kayrus could you add example of minimal cloud configuration for noClient usecase?

it seems that I am using

[BlockStorage]
bs-version=v3
ignore-volume-az=false
ignore-volume-microversion=false

[kayrus]

could you add example of minimal cloud configuration

your example is fair enough

[zetaab]

/lgtm

[dulek]

/approve

[k8s-ci-robot]

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[k8s-infra-cherrypick-robot]

@kayrus: new pull request created: #2683

In response to this:

/cherry-pick release-1.31

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-sigs/prow repository.