AST-1539 Rename k8srunner -> ska-default
SKAO has renamed its k8srunner to ska-default. https://gitlab.com/ska-telescope/sdp/ska-sdp-func-everybeam/-/pipelines/1286172794 shows that the cibuildwheels job (also) succeeds with the new tag.
SKAO has renamed its k8srunner to ska-default. https://gitlab.com/ska-telescope/sdp/ska-sdp-func-everybeam/-/pipelines/1286172794 shows that the cibuildwheels job (also) succeeds with the new tag.