fix(rules/Set Setuid or Setgid bit): use chmod syscalls instead of chmod command
fix(rules/Set Setuid or Setgid bit): use chmod syscalls instead of chmod command

Signed-off-by: Lorenzo Fontana <638e8f0171575864326f06d2a5f8e72287427b15@linux.com>

draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco,draios/falco