message: chore: reverse PRs in changelog
diff: @@ -27,7 +27,7 @@ else:
  ['git', 'describe', '--tags', tag_rev]).strip())
  logs = _str(subprocess.check_output(
  - ['git', 'log', '--merges', '--first-parent', '--pretty=tformat:%s', '{}...HEAD'.format(since)]))
  + ['git', 'log', '--reverse', '--merges', '--first-parent', '--pretty=tformat:%s', '{}...HEAD'.format(since)]))
  PR_NUMBER_RE = re.compile(r'\s*Merge pull request #(\d+) from')
  PR_TITLE_RE = re.compile(r'(?:\[[^]]+\]\s*)*(?:(\w+)(?:\(([^\)]+)\))?: )?(.*)')
  