Microshift 4.13 is running all applicable end-to-end tests

Continuation of https://issues.redhat.com/browse/WRKLDS-488.

Acceptance criteria

• Microshift test results are available in Sippy

Tests that need to be refactored for MicroShift (based on comments in https://github.com/openshift/origin/pull/27359)

Tests that need to be refactored for MicroShift (based on comments in https://github.com/openshift/origin/pull/27359)

• networking
  • when running openshift ipv4 cluster on bare metal
• olm
  • have imagePullPolicy:IfNotPresent on thier deployments
• operators
  • [sig-arch] Managed cluster should
• prometheus
  • [sig-instrumentation][Late] OpenShift alerting rules
• router
  • should not work when configured with a 1024-bit RSA key
  • [sig-network][Feature:Router]
  • should pass the h2spec conformance tests
• security
  • Ensure supplemental groups propagate to docker should propagate requested groups to the container

The router tests got updated through https://github.com/openshift/origin/pull/27476 (removing template.openshift.io group).