feature.Make client auth service pluggable.

[Sivyer9303]

see #458

[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

Attention: Patch coverage is 52.63158% with 27 lines in your changes missing coverage. Please review.

Project coverage is 29.93%. Comparing base (b5986f7) to head (fff5e60).
Report is 78 commits behind head on master.

Files with missing lines	Patch %	Lines
common/security/security_delegate.go	73.17%	6 Missing and 5 partials ⚠️
common/nacos_server/nacos_server.go	0.00%	10 Missing ⚠️
common/security/security_proxy.go	0.00%	6 Missing ⚠️

❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #505      +/-   ##
==========================================
- Coverage   30.14%   29.93%   -0.21%     
==========================================
  Files          40       42       +2     
  Lines        2913     3033     +120     
==========================================
+ Hits          878      908      +30     
- Misses       1971     2056      +85     
- Partials       64       69       +5     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

---

🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}