feat: support oci auth in agent types #146

Job	Run time
k8s-e2e-tests-extended / K8s e2e tests proxy	11m 51s
k8s-e2e-tests-extended / K8s e2e tests dynamic	10m 33s
k8s-e2e-tests-extended / K8s e2e tests apm	13m 21s
k8s-e2e-tests-extended / K8s e2e tests custom-repo	10m 29s
k8s-e2e-tests-extended / K8s e2e tests collector	10m 57s
k8s-e2e-tests-extended / K8s e2e tests fleet-control	10m 0s
k8s-e2e-tests-extended / K8s e2e tests	4s
	1h 7m 15s

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