Prettify BATS output

[yubiuser]

What does this PR aim to accomplish?:

Adds color and nicer output to BATS

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[DL6ER]

Do you have an example screenshot for an error? At first glance, it isn't easier to read when everything works fine.

Your PR:

Some old action from last week:

[yubiuser]

This is how it should look like (devcontainer in vscode)

[yubiuser]

Setting to draft mode. Not sure if buildx in conjunction with githubs non-tty output can be tricked to show a nicer ouptut.

[yubiuser]

I've added a patch that will remove the double output on the CI log.

Currently, it looks like

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I'll add the new dependencies to https://github.com/pi-hole/docker-base-images/blob/master/ftl-build/Dockerfile, point to the new tagged build container and remove the failing test after everything is done.

[yubiuser]

Base image PR: pi-hole/docker-base-images#97

[rdwebdesign]

There is an issue with the base image (maybe it is a temporary issue):

Error: buildx failed with: ERROR: failed to solve: ghcr.io/pi-hole/ftl-build:v2.8: failed to resolve source metadata for ghcr.io/pi-hole/ftl-build:v2.8: ghcr.io/pi-hole/ftl-build:v2.8: not found

[DL6ER]

@rdwebdesign Yes, the tag didn't exist. I did just publish it so we can try rebuilding in maybe an hour from now.