Add missing "create ssl cert" tasks

roles/archweb/tasks/main.yml

roles/aurweb/tasks/main.yml

roles/dovecot/tasks/main.yml

roles/fluxbb/tasks/main.yml

roles/flyspray/tasks/main.yml

roles/grafana/tasks/main.yml

roles/hedgedoc/tasks/main.yml

roles/keycloak/tasks/main.yml

roles/patchwork/tasks/main.yml

roles/postfix/tasks/main.yml

roles/quassel/tasks/main.yml

roles/security_tracker/tasks/main.yml