Figure out how to colorize GitHub Actions output

[alerque]

The new color output is pretty in a terminal, but it only outputs it a terminal.

When an interactive environment is not detected it is just normal.

This is an appropriate compromise, but in the case of GitHub Actions runners, some color support does exist. See for example super-linter output:

Figure out how to output even friendlier output in the case of Actions (and possibly other runners).