multicluster-global-hub

Automate complete Multicluster Global Hub release workflow across 6 repositories including branch creation, OpenShift CI configuration, catalog OCP version management, bundle updates, and PR creation. REQUIRES explicit RELEASE_BRANCH specification (e.g., RELEASE_BRANCH=release-2.17). Supports two modes - CREATE_BRANCHES=true (create branches) or false (update via PR). Keywords: release branch, global hub, openshift/release, catalog, bundle, CI configuration, OCP versions.