v0.42.0

• Update markdownlint dependency to 0.35.0
  • Add MD058/blanks-around-tables
  • Use micromark in MD001/MD003/MD009/MD010/MD013/MD014/MD019/MD021/MD023/MD024/MD025/MD039/MD042/MD043
  • Improve MD018/MD020/MD031/MD034/MD044
  • markdown-it parser no longer invoked by default
  • Improve performance
• Update all dependencies via Dependabot