message: Fix brew PR generation
diff: @@ -174,8 +174,13 @@ curl --data '$github_json' https://api.github.com/repos/actor-framework/actor-fr
  " > .make-release-steps.bash
  if which brew &>/dev/null ; then
  + file_name="$tag_version.tar.gz"
  + file_url="https://github.com/actor-framework/actor-framework/archive/$file_name"
  echo "\
  - brew bump-formula-pr --message=\"Update CAF to version $tag_version\" --url=\"https://github.com/actor-framework/actor-framework/archive/$tag_version.tar.gz\" --sha256=\"\$(git rev-parse HEAD)\" caf
  +curl -O -L $file_url
  +sha=\$(shasum -a 256 $file_name | awk '{ print \$1 }')
  +rm $file_name
  +brew bump-formula-pr --message=\"Update CAF to version $tag_version\" --url=\"$file_url\" --sha256=\"\$sha\" caf
  " >> .make-release-steps.bash
  fi
  