chore: Update argocd-operator to latest for v1.15.3

[svghadi]

What type of PR is this?
/kind bug

What does this PR do / why we need it:
Update Argo CD Operator to latest argoproj-labs/argocd-operator@168deb5

[openshift-ci]

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[openshift-ci]

@svghadi: 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/v4.16-kuttl-parallel	d062e58	link	true	/test v4.16-kuttl-parallel

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[svghadi]

/retest