Update service ownership data

Co-authored-by: jianghao0718 <[email protected]>

Author: github-service-catalog[bot]

ownership.yaml

@@ -0,0 +1,11 @@
+---
+version: 1
+ownership:
+- name: backup-utils
+  long_name: backup-utils
+  description: backup-utils is backup and restore tooling for Github enterprise server
+    (GHES)
+  kind: logical
+  repo: https://github.com/github/backup-utils
+  qos: critical
+  component_of: ghes-infra