Implementing soft delete for storage bucket

[600lyy]

Change description

Add support for soft delete policy for Google storage bucket.

The bucket's soft delete policy, which defines the period of time that soft-deleted objects will be retained, and cannot be permanently deleted. If it is not provided, by default Google Cloud Storage sets this to default soft delete policy`

This is the implementation for https://github.com/GoogleCloudPlatform/k8s-config-connector/issues/2046

• [x] Run make ready-pr to ensure this PR is ready for review.
• [x] Perform necessary E2E testing for changed resources.

[yuwenma]

/lgtm

PR looks good. @600lyy could you fix the presubmit check?

[justinsb]

Looks like I can do the rebase / cleanup; just pushed to the PR branch 🤞

[justinsb]

Looks like a (simple) rebase was all that was needed - thank you @600lyy

/approve /lgtm

@maqiuyujoyce I think we should merge this before #2075

[google-oss-prow[bot]]

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[maqiuyujoyce]

@justinsb as long as we don't cut a release, the order to merge #2051 and #2075 shouldn't matter.

/lgtm