ansible/executorctl: add new role to install the client
Add a new role to install the executor client in the gateway and vivian.
Fixes: https://gitlab.freedesktop.org/mupuf/valve-infra/-/issues/176
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Add a new role to install the executor client in the gateway and vivian.
Fixes: https://gitlab.freedesktop.org/mupuf/valve-infra/-/issues/176