update fluent-plugin-elasticsearch to 4.3.3 for elasticsearch7
update fluent-plugin-elasticsearch to 4.3.3 for elasticsearch7

Signed-off-by: Marc Schaer <b9545cc020783efdad83bb04cbbbc5e9a2486030@sitaonair.aero>

fluent/fluentd-kubernetes-daemonset,fluent/fluentd-kubernetes-daemonset,fluent/fluentd-kubernetes-daemonset