feat(http): http client support service discovery in Do

[letian0805]

Description (what this PR does / why we need it):

Which issue(s) this PR fixes (resolves / be part of):

fixes # #1562

Other special notes for reviewer:

[codecov-commenter]

Codecov Report

Merging #1563 (5d8481e) into main (143dc58) will decrease coverage by 7.56%.
The diff coverage is 31.81%.

❗ Current head 5d8481e differs from pull request most recent head 0a54572. Consider uploading reports for the commit 0a54572 to get more accurate results

@@            Coverage Diff             @@
##             main    #1563      +/-   ##
==========================================
- Coverage   81.61%   74.04%   -7.57%     
==========================================
  Files          78       69       -9     
  Lines        3389     3129     -260     
==========================================
- Hits         2766     2317     -449     
- Misses        424      607     +183     
- Partials      199      205       +6     

Impacted Files	Coverage Δ
transport/http/client.go	66.84% <31.81%> (-10.93%)	⬇️
transport/http/binding/bind.go	0.00% <0.00%> (-100.00%)	⬇️
transport/grpc/balancer.go	25.49% <0.00%> (-66.67%)	⬇️
log/level.go	37.03% <0.00%> (-62.97%)	⬇️
transport/http/context.go	30.95% <0.00%> (-60.72%)	⬇️
transport/http/router.go	66.66% <0.00%> (-28.58%)	⬇️
transport/http/binding/encode.go	58.97% <0.00%> (-20.52%)	⬇️
log/helper.go	61.22% <0.00%> (-20.41%)	⬇️
log/std.go	80.00% <0.00%> (-20.00%)	⬇️
log/value.go	81.48% <0.00%> (-18.52%)	⬇️
... and 18 more

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