Debug output to show the docker binary path

[stuart23]

• [x] I have checked that a similar feature request does not already exist.

✍️ Is your feature request related to a problem? Please describe.

Cannot tell which docker binary is getting called on systems that have multiple docker (podman, rancher etc) flavors.

🧩 Describe the solution you'd like

Just output the path to the binary that will be called. This can be just when verbose mode is used if necessary.

🤔 Describe alternatives you've considered

Is your feature request specific to a particular Astronomer Platform?

• [ ] Astro
• [ ] Software
• [x] None/Unknown

💡 Additional context

[stuart23]

https://github.com/astronomer/astro-cli/issues/1501