[etcd-backup-restore]

🏃 Others

• [OPERATOR] Decreases the likelihood of potential race condition between the go-routines while closing the snapshotter. (gardener/etcd-backup-restore#537, @ishan16696)
• [OPERATOR] [bug-fix] backup-restore does not return error when it fails to update PeerURL of member. (gardener/etcd-backup-restore#540, @aaronfern)