Tool name is missing in the usage/help message of CLI

[k-nzw]

Describe the bug
Tool name "retina" is missing in the usage/help message of CLI.

To Reproduce
Steps to reproduce the behavior:

1. Run kubectl retina help or just kubectl retina.

Expected behavior
Tool name "retina" exists in the help/usage message.

Screenshots
Instead of screenshots, I paste the terminal output.

$ kubectl retina help
Usage:
   [command]

Available Commands:
  capture     capture network traffic
  completion  Generate the autocompletion script for the specified shell
  config      Configure retina CLI
  help        Help about any command
  trace       retrieve status or results from Retina
  version     Show version

Flags:
  -h, --help   help for this command

Use " [command] --help" for more information about a command.

Platform (please complete the following information):

• OS: Ubuntu 22.04
• Kubernetes Version: v1.29.9
• Host: self-host
• Retina Version: v0.0.16

Additional context
Add any other context about the problem here.