Unable to opt in service account metrics with cli

[tomershafir]

What happened:
I want to opt in service account metrics, its not clear from the docs how to use the cli option, it didnt work for me.

What you expected to happen:
Service account metrics will be exported

How to reproduce it (as minimally and precisely as possible):
Both of the following didnt work:
1.

extraArgs:
  - --metric-opt-in-list=serviceaccounts=[*]

extraArgs:
  - --metric-opt-in-list=kube_serviceaccount_info

Environment:

• kube-state-metrics version: v2.6.0
• Kubernetes version (use kubectl version):
  Server Version: version.Info{Major:"1", Minor:"24", GitVersion:"v1.24.16", GitCommit:"51e33fadff13065ae5518db94e84598293965939", GitTreeState:"clean", BuildDate:"2023-07-19T12:19:24Z", GoVersion:"go1.20.6", Compiler:"gc", Platform:"linux/amd64"}

[logicalhan]

/triage accepted
/kind support
/assign @dgrisonnet