Inject secret webhook does not work when installed with Helm

[burmanm]

What happened?
When Helm is used as installation method, the MutatingWebhook is not configured and that causes the inject-secret annotations to not function either.

Did you expect to see something different?

How to reproduce it (as minimally and precisely as possible):

Environment

• K8ssandra Operator version:

  Insert image tag or Git SHA here

• Kubernetes version information:

  kubectl version

• Kubernetes cluster kind:

  insert how you created your cluster: kops, bootkube, etc.

• Manifests:

insert manifests relevant to the issue

• K8ssandra Operator Logs:

insert K8ssandra Operator logs relevant to the issue here

Anything else we need to know?: