[etcd-backup-restore]

🐛 Bug Fixes

• [OPERATOR] Throw Fatal error to avoid edge case potential deadlocks. (gardener/etcd-backup-restore#467, @ishan16696)

🏃 Others

• [OPERATOR] ETCD won't restart from the PVC if it is wrongly mounted to the pod (gardener/etcd-backup-restore#470, @abdasgupta)