Just to note that a package version of e.g. “9.0.1-3” probably would be more correct for that repository.
If you’re comparing the output of the component versions in your initial post with the ones listed in GVM-9 (end-of-life, initial release 2017-03-07) - Greenbone Community Edition - Greenbone Community Forum you will notice that the currently repository is lacking behind due to some building issues mentioned in: