shellcheck
shellcheck

Signed-off-by: Thomas Sjögren <9ff28d1cb1d19283ed3327b40df6c7d62d8bc343@users.noreply.github.com>

petersellars/docker-bench-security,jumanjiman/docker-bench-security,aaam/docker-bench-security,Sauraus/docker-bench-security,nicolaka/docker-bench-security,konstruktoid/docker-bench-security,iangelov/docker-bench-security,HuKeping/docker-bench-security,amegianeg/docker-bench-security,timperman/docker-bench-security,no2key/docker-bench-security,diogomonica/docker-bench-security,gmanfunky/docker-bench-security,docker/docker-bench-security,salmanbaset/docker-bench-security