contrib/docker/knot-resolver-buildenv: update to Ubuntu 22.04
Ubuntu 21.10 (Impish) has reached end-of-life and the image could no longer be built.
Self sign-up has been disabled due to increased spam activity. If you want to get access, please send an email to a project owner (preferred) or at gitlab(at)nic(dot)cz. We apologize for the inconvenience.
Ubuntu 21.10 (Impish) has reached end-of-life and the image could no longer be built.