Report error if license report needs to be updated

Usually license report is updated on MR, however, in some cases this is not true. A good example is package import, where changes directly land to main branches. Under this scenario, our pipelines report and issue but pipeline succeed, causing the license report not being updated.

Change the behaviour to report an error if the license report needs to be updated.

https://phabricator.apertis.org/T9643

Signed-off-by: Walter Lozano walter.lozano@collabora.com