feat: add servicecomb registry

[kkf1]

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

Adding servicecomb registry enables developers to use servicecomb registry center on Kratos

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

Other special notes for the reviewers:

[codecov-commenter]

Codecov Report

Merging #2114 (bf9935e) into main (6fa5700) will increase coverage by 6.44%.
The diff coverage is n/a.

❗ Current head bf9935e differs from pull request most recent head cec15d8. Consider uploading reports for the commit cec15d8 to get more accurate results

@@            Coverage Diff             @@
##             main    #2114      +/-   ##
==========================================
+ Coverage   79.09%   85.53%   +6.44%     
==========================================
  Files          84       87       +3     
  Lines        3683     3796     +113     
==========================================
+ Hits         2913     3247     +334     
+ Misses        559      381     -178     
+ Partials      211      168      -43     

Impacted Files	Coverage Δ
log/value.go	91.66% <0.00%> (-8.34%)	⬇️
transport/grpc/server.go	85.86% <0.00%> (-1.64%)	⬇️
encoding/form/proto_encode.go	71.32% <0.00%> (-0.68%)	⬇️
transport/grpc/codec.go	28.57% <0.00%> (ø)
transport/http/router.go	100.00% <0.00%> (ø)
transport/http/binding/bind.go	100.00% <0.00%> (ø)
encoding/form/well_known_types.go	77.27% <0.00%> (ø)
middleware/ratelimit/ratelimit.go	100.00% <0.00%> (ø)
middleware/circuitbreaker/circuitbreaker.go	100.00% <0.00%> (ø)
internal/matcher/middleware.go	95.65% <0.00%> (ø)
... and 29 more

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