grpc‘s secure discovery

[daemon365]

根据 grpc dial’s insecure 选择对应的gprc链接 （isSecure参数）

[codecov-commenter]

Codecov Report

Merging #1270 (ecb901a) into main (352d6c8) will increase coverage by 0.09%.
The diff coverage is 51.85%.

❗ Current head ecb901a differs from pull request most recent head 24c0f33. Consider uploading reports for the commit 24c0f33 to get more accurate results

@@            Coverage Diff             @@
##             main    #1270      +/-   ##
==========================================
+ Coverage   51.04%   51.13%   +0.09%     
==========================================
  Files          52       53       +1     
  Lines        2541     2554      +13     
==========================================
+ Hits         1297     1306       +9     
- Misses       1098     1103       +5     
+ Partials      146      145       -1     

Impacted Files	Coverage Δ
transport/grpc/client.go	27.14% <0.00%> (ø)
transport/grpc/resolver/discovery/builder.go	0.00% <0.00%> (ø)
transport/grpc/resolver/discovery/resolver.go	42.30% <50.00%> (-0.83%)	⬇️
internal/endpoint/endpoint.go	100.00% <100.00%> (ø)
transport/grpc/server.go	35.00% <100.00%> (ø)
transport/http/server.go	54.78% <100.00%> (+0.54%)	⬆️

---

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 352d6c8...24c0f33. Read the comment docs.

[daemon365]

@tonybase 我把这个client isSecure 换成 insecure 应该好理解一些 这个参数是grpc.Dial时的insecure 参数 代表是不是不安全的连接 discovery更新node的时候需要知道 自己是不是安全的Dial