Test migration from R4 to R5

Created by: jschoone

As a container administrator, I want to have a working toolset so that I can migrate my clusters from R4 to R5.

Definition of Ready:

• User Story is small enough to be finished within one sprint
• User Story is clear and understood by the whole team
• Acceptance criteria are defined
• Acceptance criteria are clear and understood by the whole team

Definition of Done:

• Successfully used Migration script
• All acceptance criteria are met
• Changes have been reviewed
• CI tests have run successfully
• Documentation has been updated
• Release Notes have been updated