Add CopySecret, DeleteSecretIfAny, and DeleteSecretsWithLabel utilities
for copying namespace-scoped secrets to the Velero namespace during
datamover backup PVC creation.
CopySecret handles three cases:
- Secret does not exist in target: copies it with a tracking label
- Secret exists with same data: no-op (same source namespace)
- Secret exists with different data: returns ErrSecretCollision so the
caller can requeue
Signed-off-by: Shubham Pampattiwar <spampatt@redhat.com>
Shubham Pampattiwar
f65652bfc3