Prior this commit it was possible to pass the CI checks even without added
files in vendor directory, because git diff doesn't check for unstaged
files. This commit fixes it.
There should be no need to run unit tests on specific architectures,
move it over to github-actions and rename "Lint" to "Checks" as it
is a bit more generic now.
Signed-off-by: Tom Gundersen <teg@jklm.no>
Unify the github actions workflows under `tests.yml` and add an RPM build
job to match the one for osbuild.
Signed-off-by: Major Hayden <major@redhat.com>
