How to use externally-controlled executor with k6-operator?

[JunhoeKim]

Feature Description

We would like to use the k6 operator to dynamically increase the number of vus and observe the drop in success rate. When we reduce the number of vu, we want to see if the server's state is restored. I understand that to perform this task, we need to use the externally-controlled executor. If this operation cannot be natively supported, what workarounds are available?

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