gitlab-ci: Allow to skip build and test
Sometimes we just want a package (e.g. when only changing the packaging
or when we're sure(tm) we didn't break anything). Hence allo to skip the
build and test stages via PKG_ONLY = 1
either in the UI or as variable
during git push
.
Signed-off-by: Guido Günther guido.gunther@puri.sm