feat(gRPC): add grpc client conn dump to help debug the conn and stream status

[ppzqh]

…status

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feat

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feat(gRPC): 添加 grpc client 的连接 dump 信息帮助排查 conn 和 stream 的状态

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[codecov]

Codecov Report

Attention: Patch coverage is 22.47191% with 69 lines in your changes missing coverage. Please review.

Project coverage is 51.67%. Comparing base (2ef26ea) to head (08ef8d4).
Report is 168 commits behind head on develop.

Files with missing lines	Patch %	Lines
pkg/remote/trans/nphttp2/grpc/http2_client.go	0.00%	49 Missing ⚠️
pkg/remote/trans/nphttp2/grpc/transport.go	0.00%	15 Missing ⚠️
pkg/remote/trans/nphttp2/conn_pool.go	80.00%	3 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##           develop    #1702       +/-   ##
============================================
- Coverage    69.69%   51.67%   -18.02%     
============================================
  Files          298      404      +106     
  Lines        21512    37407    +15895     
============================================
+ Hits         14992    19329     +4337     
- Misses        5272    16822    +11550     
- Partials      1248     1256        +8     

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