message: Update the changelog and version number in a single commit
diff: @@ -104,11 +104,13 @@ jobs:
  PR_TITLE="Mergeback $VERSION $HEAD_BRANCH into $BASE_BRANCH"
  PR_BODY="Updates version and changelog."
  + # Update the version number ready for the next release
  + npm version patch --no-git-tag-version
  +
  # Update the changelog
  perl -i -pe 's/^/## \[UNRELEASED\]\n\nNo user facing changes.\n\n/ if($.==3)' CHANGELOG.md
  git add .
  git commit -m "Update changelog and version after $VERSION"
  - npm version patch
  git push origin "$NEW_BRANCH"
  