Package copilot-cli in docker image

### Describe the feature or problem you'd like to solve

Developers without nodejs on their machines cannot install copilot-cli

### Proposed solution

A super easy way for developers that does not have nodejs on their machines to get started.
Also allows for easy upgrades.

### Example prompts or workflows

Add
```
alias ghcop='docker run --rm -ti -v ~/.copilot:/something github/copilot-cli'
```
to `.bashrc`
and the you are ready to run copilot

### Additional context

_No response_