feat: add securityContext in task manifests

[ksimon1]

What this PR does / why we need it:
feat: add securityContext in task manifests

The OCP4.19 requires security context to be part of the manifests

Release note:

feat: add securityContext in task manifests

/hold

[openshift-ci]

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[kubevirt-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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• OWNERS

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[jcanocan]

/lgtm

[openshift-ci]

@ksimon1: 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/e2e-tests	5b8215d	link	true	/test e2e-tests

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