[BUG] rename charts/juicefs/templates/worker/statefuleset.yaml to charts/juicefs/templates/worker/statefulset.yaml

[Maslino]

What is your environment(Kubernetes version, Fluid version, etc.)

Describe the bug

There is a typographical error in JuiceFS worker statefulset chart filename (statefuleset.yaml).

What you expect to happen:

as the title explains

How to reproduce it

Additional Information

[cheyang]

@Maslino Thanks for your issue. Would you fix it and create a pull request?