Update bench to show avg

[guan404ming]

Why

totall -> avg

How

• update cli
• update bench data
  • Parse (avg per call):
    • sqlparser-ts: (34.0 + 34.7 + 34.2) / 3 = 34.3 μs
    • node-sql-parser: (64.2 + 96.4 + 51.1) / 3 = 70.6 μs
  • Format (avg per call):
    • sqlparser-ts: (15.3 + 15.0 + 14.5) / 3 = 14.9 μs
    • node-sql-parser: (74.0 + 106.6 + 58.9) / 3 = 79.8 μs