[oadp-1.5] OADP-6235: Add CaCert support for DPT

[openshift-cherrypick-robot]

This is an automated cherry-pick of #1862

/assign shubham-pampattiwar

[openshift-ci-robot]

@openshift-cherrypick-robot: Ignoring requests to cherry-pick non-bug issues: OADP-6235

In response to this:

This is an automated cherry-pick of #1862

/assign shubham-pampattiwar

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[kaovilai]

/lgtm

[kaovilai]

/retest

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kaovilai, openshift-cherrypick-robot, sseago, weshayutin

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[openshift-ci]

@openshift-cherrypick-robot: 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
ci/prow/4.20-e2e-test-hcp-aws	eea63c5	link	false	/test 4.20-e2e-test-hcp-aws

Full PR test history. Your PR dashboard.

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