feat: add error cause for statck trace

[tonybase]

if err := TODO(v); err != nil {
    return errors.BadRequest(reason, message).WithCause(cause)
}

if errors.Is(err, cause) {
    // TODO
}
if cause := new(MyError); errors.As(err, &cause) {
    // TODO
}

[codecov-commenter]

Codecov Report

Merging #1910 (b566ce4) into main (558ef4e) will decrease coverage by 0.10%.
The diff coverage is 93.93%.

@@            Coverage Diff             @@
##             main    #1910      +/-   ##
==========================================
- Coverage   80.85%   80.75%   -0.11%     
==========================================
  Files          80       81       +1     
  Lines        3573     3606      +33     
==========================================
+ Hits         2889     2912      +23     
- Misses        477      487      +10     
  Partials      207      207              

Impacted Files	Coverage Δ
transport/http/status/status.go	100.00% <ø> (ø)
errors/errors.go	94.44% <93.54%> (-1.79%)	⬇️
middleware/validate/validate.go	100.00% <100.00%> (ø)
transport/http/client.go	78.88% <100.00%> (ø)
transport/grpc/codec.go	28.57% <0.00%> (ø)
transport/http/router.go	100.00% <0.00%> (+4.76%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 558ef4e...b566ce4. Read the comment docs.

[LL1024LL]

return fmt.Sprintf("error: code = %d reason = %s message = %s metadata = %v cause = %v", e.Code, e.Reason, e.Message, e.Metadata, e.cause)
请问为何不使用cause = %+v？
实际使用过程中发现，errors.WithStack的堆栈信息没打印出来