Prepare github repositories for interop tests

Another requirement for running interop tests in the OpenShift CI is to have correctly configured public or private github repository.

 See https://cspi-qe.gitbook.io/ocp-ci-onboarding/onboarding/onboarding_guide/prerequisites_guide#1.-public-github-repositories-preferred for more details

AC:

• private or public github repo for interop tests is created
• robots are configured - https://cspi-qe.gitbook.io/ocp-ci-onboarding/onboarding/onboarding_guide/prerequisites_guide#github-org-requirements
• github users are added to openshift organization - https://cspi-qe.gitbook.io/ocp-ci-onboarding/onboarding/onboarding_guide/prerequisites_guide#github-user-readiness