Bug fixes

• FormatOps: handle fewer braces and refined types (#3446) @kitbellew
• Scalameta: upgrade to 4.7.3 (#3445) @kitbellew
  • contains several parsing bug fixes
• RedundantParens: exclude ArgClause under Init (#3440) @kitbellew

Other changes

• chore: Release scalafmt on JDK 8 (#3444) @tgodzik