print_toolchain_versions.sh: Add make command version

dist/tools/ci/print_toolchain_versions.sh

@@ -98,7 +98,7 @@ printf "%23s: %s\n" "avr-libc" "$(avr_libc_version avr-gcc)"
 printf "\n"
 printf "%s\n" "Installed development tools"
 printf "%s\n" "---------------------------"
-for c in cmake cppcheck doxygen flake8 git openocd python python2 python3; do
+for c in cmake cppcheck doxygen flake8 git make openocd python python2 python3; do
     printf "%23s: %s\n" "$c" "$(get_cmd_version $c)"
 done
 printf "%23s: %s\n" "coccinelle" "$(get_cmd_version spatch)"