[etcd-backup-restore]

🏃 Others

• [OPERATOR] Fixed a bug where etcd calls related to multi node operation were used in single node operation (gardener/etcd-backup-restore#504, @aaronfern)
• [OPERATOR] Assigned the correct Peer address to the Etcd after it restores from backup-bucket. (gardener/etcd-backup-restore#505, @ishan16696)
• [OPERATOR] No attempt is made to update member Peer URL when trying to promote a member (gardener/etcd-backup-restore#506, @aaronfern)