perf: replace commander with cac

[chenjiahan]

Summary

Replace commander with cac for performence.

https://github.com/cacjs/cac

Size

cac is 52kB smaller than commander.

• cac:

  File (esm)      Size        
  dist/index.js    345.2 kB
  File (cjs)        Size        
  dist/index.cjs    367.4 kB

• commander

  File (esm)      Size        
  dist/index.js    397.1 kB
  File (cjs)        Size        
  dist/index.cjs    419.3 kB

Startup time

cac is 5ms faster than commander.

• cac

hyperfine --warmup 5 --runs 40 'node --run build'
Benchmark 1: node --run build
  Time (mean ± σ):     321.7 ms ±  11.7 ms    [User: 299.3 ms, System: 99.9 ms]
  Range (min … max):   293.5 ms … 370.5 ms    40 runs

• commander

hyperfine --warmup 5 --runs 40 'node --run build'
Benchmark 1: node --run build
  Time (mean ± σ):     326.4 ms ±   7.7 ms    [User: 301.4 ms, System: 100.7 ms]
  Range (min … max):   307.5 ms … 354.6 ms    40 runs

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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