Lower Windows e2e test parallelism [Hold]

[AndrewSirenko]

Is this a bug fix or adding new feature?
bug fix

What is this PR about? / Why do we need it?
Attempting to lower windows-e2e test flakiness by decreasing Ginkgo parallelism.

What testing is done?
Prow CI tests

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[k8s-ci-robot]

@AndrewSirenko: 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-aws-ebs-csi-driver-external-test-kustomize	d8146c2	link	false	/test pull-aws-ebs-csi-driver-external-test-kustomize

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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[AndrewSirenko]

/close

[k8s-ci-robot]

@AndrewSirenko: Closed this PR.

In response to this:

/close

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