Improve efficiency at downloading R dependencies in Github Actions

[pogi7]

Checklist before submitting a feature request

• [x] I have reviewed CONTRIBUTING.md document
• [x] I have done a quick search on the issue tracker to check if the feature request is not redundant

Is your feature request related to a problem? If yes, describe the problem

It looks like it takes over 8 minutes to download R dependencies in Github Actions. I would like to improve that

Describe the desired feature

I would like to get the time to download these R dependencies to 10 - 15 seconds.

Additional context

[Any additional context]

[pogi7]

You can run a Docker container in Github Actions https://docs.github.com/en/actions/creating-actions/creating-a-docker-container-action

It makes the most sense to build a Docker image from a DockerFile and store it in Github Packages https://docs.github.com/en/packages/learn-github-packages/introduction-to-github-packages