fix: Separate Backup CRs into their own kustomization

The Backup and Restore CRs need the rancher-backup CRDs to exist first.
Moved them to a separate kustomization that depends on the operator being ready.

infrastructure/addons/rancher-backup-config/restore-from-b2.yaml

@@ -0,0 +1,19 @@
+# Uncomment and set backupFilename to restore from a specific backup on rebuild.
+# Find the latest backup filename in B2: rancher-backups/ folder.
+# After restore succeeds, Rancher will have all users/settings from the backup.
+#
+# apiVersion: resources.cattle.io/v1
+# kind: Restore
+# metadata:
+#   name: restore-from-b2
+#   namespace: cattle-resources-system
+# spec:
+#   backupFilename: <backup-filename-from-b2>
+#   storageLocation:
+#     s3:
+#       credentialSecretName: rancher-b2-creds
+#       credentialSecretNamespace: cattle-resources-system
+#       bucketName: HetznerTerra
+#       folder: rancher-backups
+#       endpoint: s3.us-east-005.backblazeb2.com
+#       region: us-east-005