Also temporarily disable cf-ospf-auth, as there is some problem with it.
/misc/docker/: + debian 11 (i386+amd64) added, + fedora 32 added, + fedora 33 added, + fedora 34 added, + opensuse 15.2 added, + opensuse 15.3 added, + ubuntu 20.04 added, + ubuntu 20.10 added, + ubuntu 21.04 added, - ubuntu 19.10 removed. /.gitlab-ci.yml: + stages 'image' and 'build' updated.