Update statefulset.yaml

Author: andyzhangx

deploy/example/statefulset.yaml

@@ -19,7 +19,7 @@ spec:
         - name: statefulset-smb
           image: mcr.microsoft.com/oss/nginx/nginx:1.19.5
           command:
-            - "/bin/sh"
+            - "/bin/bash"
             - "-c"
             - set -euo pipefail; while true; do echo $(date) >> /mnt/smb/outfile; sleep 1; done
           volumeMounts: