Configure myks env-data with global repoURL pointing to Forgejo repo,
switch destination from cluster name to in-cluster server URL, and
disable placeholder cluster Secret generation. Add deploy key init Job
that generates an SSH keypair, registers it with Forgejo, and creates
the ArgoCD repository secret. Switch job images from bitnami/kubectl
to alpine/k8s.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>