Bumped loofah to 2.3.1 (CVE-2019-15587).
Bumped loofah to 2.3.1 (CVE-2019-15587).

zammad/zammad,monotek/zammad,monotek/zammad,zammad/zammad,zammad/zammad,monotek/zammad,zammad/zammad,zammad/zammad,monotek/zammad,zammad/zammad,monotek/zammad,monotek/zammad