message: Make it more visible how to run the formatter.
diff: @@ -24,7 +24,10 @@ git diff > ${FORMAT_OUT}
  if [ -s ${FORMAT_OUT} ]; then
  echo "Style not matching (see https://github.com/chipsalliance/verible/blob/master/CONTRIBUTING.md#style)"
  - echo "On your *.h, *.cc files, please run clang-format -i --style=file <your changed files>"
  + echo "Run"
  + echo " .github/bin/run-clang-format.sh"
  + echo "-------------------------------------------------"
  + echo
  cat ${FORMAT_OUT}
  exit 1
  fi
  