WIP feat: add linux self update e2e #138

Job	Run time
k8s-e2e-tests-extended / K8s e2e tests custom-repo	10m 3s
k8s-e2e-tests-extended / K8s e2e tests proxy	8m 41s
k8s-e2e-tests-extended / K8s e2e tests apm	10m 2s
k8s-e2e-tests-extended / K8s e2e tests dynamic	9m 53s
k8s-e2e-tests-extended / K8s e2e tests collector	10m 4s
k8s-e2e-tests-extended / K8s e2e tests fleet-control	10m 5s
k8s-e2e-tests-extended / K8s e2e tests	3s
	58m 51s

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