ci-ext is being decommissioned.  Move the iqe-rhsm ephemeral tests to run in konflux

The pipeline has been started:

• https://konflux-ui.apps.stone-prd-rh01.pg1f.p1.openshiftapps.com/ns/rh-subs-watch-tenant/applications/rhsm-subscriptions/integrationtests/rhsm-subscriptions-iqe/pipelineruns
• https://gitlab.cee.redhat.com/releng/konflux-release-data/-/blob/main/tenants-config/cluster/stone-prd-rh01/tenants/rh-subs-watch-tenant/rhsm-subscriptions/rhsm-subscriptions_integration_test_iqe.yaml?ref_type=heads

Acceptance Test:

• Pipeline passes
• Passing pipeline is required for PRs to be merged
• Use the image: quay.io/repository/cloudservices/iqe-tests:rhsm-subscriptions