1) Uplift helm-toolkit to include db-backup-restore error log string
prefixes for the generation of alert
https://review.opendev.org/c/openstack/openstack-helm-infra/+/823867
2) Error log string prefixes are added to etcd backup-restore as well
Change-Id: Iad51a3e55567d0861140a97c17a1b7d859e13938