Upgrade etcd-backup-restore (#1101)

from v0.36.2 to v0.36.3

Author: gardener-robot-ci-2

internal/images/images.yaml

@@ -8,7 +8,7 @@ images:
     name: 'etcdbrctl'
   sourceRepository: github.com/gardener/etcd-backup-restore
   repository: europe-docker.pkg.dev/gardener-project/public/gardener/etcdbrctl
-  tag: "v0.36.2"
+  tag: "v0.36.3"
 - name: alpine
   repository: europe-docker.pkg.dev/gardener-project/public/3rd/alpine
   tag: "3.21.3"