Maintenance: Update dependency rubocop-performance to v1.15.1
Maintenance: Update dependency rubocop-performance to v1.15.1

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