enhance: [2.3] support related privilege for grant api

[SimFG]

/kind improvement
pr: #30153

[mergify]

@SimFG ut workflow job failed, comment rerun ut can trigger the job again.

[codecov]

Codecov Report

Attention: 13 lines in your changes are missing coverage. Please review.

Comparison is base (be1470a) 82.23% compared to head (8e57754) 82.23%.
Report is 9 commits behind head on 2.3.

Additional details and impacted files

@@           Coverage Diff            @@
##              2.3   #30154    +/-   ##
========================================
  Coverage   82.23%   82.23%            
========================================
  Files         836      836            
  Lines      120613   120795   +182     
========================================
+ Hits        99186    99341   +155     
- Misses      18198    18210    +12     
- Partials     3229     3244    +15     

Files	Coverage Δ
internal/datacoord/util.go	99.09% <100.00%> (+0.01%)	⬆️
internal/proxy/impl.go	85.72% <100.00%> (+0.04%)	⬆️
pkg/util/constant.go	91.42% <ø> (+8.57%)	⬆️
pkg/util/indexparams/index_params.go	86.54% <81.25%> (-0.89%)	⬇️
internal/datacoord/index_builder.go	89.96% <0.00%> (-2.02%)	⬇️

... and 19 files with indirect coverage changes

[czs007]

/approve
/lgtm

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