DNM OADP-6074: add network policies for OADP

[weshayutin]

Why the changes were made

https://issues.redhat.com/browse/OADP-6074

How to test the changes made

For now the only way to test is to use the networkpolicy yaml in the docs directory and attempt backup and restore operations.

• Needs discussion on the content of the policy and how to deploy w/ the bundle.

[openshift-ci-robot]

@weshayutin: This pull request references OADP-6074 which is a valid jira issue.

In response to this:

Why the changes were made

https://issues.redhat.com/browse/OADP-6074

How to test the changes made

For now the only way to test is to use the networkpolicy yaml in the docs directory and attempt backup and restore operations.

• Needs discussion on the content of the policy and how to deploy w/ the bundle.

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[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: weshayutin
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[openshift-ci]

@weshayutin: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/4.19-e2e-test-hcp-aws	0bbbb6f	link	true	/test 4.19-e2e-test-hcp-aws
ci/prow/4.19-e2e-test-cli-aws	0bbbb6f	link	true	/test 4.19-e2e-test-cli-aws
ci/prow/4.20-e2e-test-hcp-aws	0bbbb6f	link	false	/test 4.20-e2e-test-hcp-aws

Full PR test history. Your PR dashboard.

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