package:dart_style v3.0.1

• Handle trailing commas in for-loop updaters (#1354).
• Format || patterns like fallthrough cases in switch expressions (#1602).
• Handle comments and metadata before variables more gracefully (#1604).
• Ensure comment formatting is idempotent (#1606).
• Better indentation of leading comments on property accesses in binary operator
  operands (#1611).
• Don't crash on doc comments in local variable declarations (#1621).