Bumped puma to 3.12.4 (CVE-2020-5247).
Bumped puma to 3.12.4 (CVE-2020-5247).

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