enhance: Reduce GetIndexInfos calls

[bigsheeper]

Batch GetIndexInfos calls for segments to reduce RPC calls.

issue: #37634

[sre-ci-robot]

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• internal/querycoordv2/task/OWNERS
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[mergify]

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[codecov]

Codecov Report

Attention: Patch coverage is 95.91837% with 2 lines in your changes missing coverage. Please review.

Project coverage is 80.67%. Comparing base (4820dd7) to head (b3cbe49).
Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
internal/querycoordv2/meta/coordinator_broker.go	91.30%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #37695      +/-   ##
==========================================
- Coverage   80.67%   80.67%   -0.01%     
==========================================
  Files        1357     1357              
  Lines      190739   190736       -3     
==========================================
- Hits       153883   153874       -9     
- Misses      31428    31429       +1     
- Partials     5428     5433       +5     

Components	Coverage Δ
Client	61.25% <ø> (ø)
Core	68.91% <ø> (ø)
Go	83.18% <95.91%> (-0.01%)	⬇️

Files with missing lines	Coverage Δ
internal/datacoord/index_meta.go	95.87% <100.00%> (-0.03%)	⬇️
internal/datacoord/index_service.go	92.94% <100.00%> (+<0.01%)	⬆️
internal/datacoord/task_scheduler.go	90.44% <100.00%> (ø)
internal/querycoordv2/checkers/index_checker.go	79.09% <100.00%> (+0.38%)	⬆️
internal/querycoordv2/task/executor.go	80.93% <100.00%> (+1.25%)	⬆️
pkg/util/merr/utils.go	84.00% <100.00%> (ø)
internal/querycoordv2/meta/coordinator_broker.go	91.40% <91.30%> (-0.06%)	⬇️

... and 39 files with indirect coverage changes

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