Support dynamic change user.yaml, optimize deployment render

[haorenfsa]

fix: #113
/cc @zwd1208 @LoveEachDay

[codecov]

Codecov Report

Attention: Patch coverage is 87.17949% with 5 lines in your changes are missing coverage. Please review.

Project coverage is 82.21%. Comparing base (43d4234) to head (3e2e95d).
Report is 1 commits behind head on main.

Files	Patch %	Lines
pkg/controllers/deployment_updater.go	89.18%	2 Missing and 2 partials ⚠️
pkg/controllers/k8s_default_values.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #114      +/-   ##
==========================================
+ Coverage   82.19%   82.21%   +0.02%     
==========================================
  Files          54       54              
  Lines        4913     4932      +19     
==========================================
+ Hits         4038     4055      +17     
- Misses        691      692       +1     
- Partials      184      185       +1     

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[LoveEachDay]

/lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: haorenfsa, LoveEachDay

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[sre-ci-robot]

New changes are detected. LGTM label has been removed.