Bump s390x node

[JorTurFer]

Bump s390x node

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[rickbrouwer]

shall we run a random e2e test that also touches the smoke test?

[JorTurFer]

shall we run a random e2e test that also touches the smoke test?

As e2e test during PRs are triggered from main, I think that it won't work. The workflow definition must be already on main