fix: creating growing segments may introduce many threads

[yah01]

many growing segments may be created in a short time and there is no restriction to the process, the CGO call will leave many threads

related: #29282
pr: #29306

[mergify]

@yah01 E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[yah01]

/run-cpu-e2e

[yah01]

/run-cpu-e2e

[codecov]

Codecov Report

Merging #29314 (458a007) into 2.3 (97d71c2) will increase coverage by 0.01%.
Report is 12 commits behind head on 2.3.
The diff coverage is 76.19%.

Additional details and impacted files

@@            Coverage Diff             @@
##              2.3   #29314      +/-   ##
==========================================
+ Coverage   82.09%   82.10%   +0.01%     
==========================================
  Files         832      832              
  Lines      119301   119366      +65     
==========================================
+ Hits        97936    98004      +68     
+ Misses      18143    18134       -9     
- Partials     3222     3228       +6     

Files	Coverage Δ
internal/core/src/common/RangeSearchHelper.cpp	100.00% <ø> (ø)
internal/datanode/flow_graph_time_tick_node.go	90.66% <100.00%> (+1.60%)	⬆️
internal/datanode/flow_graph_dd_node.go	92.38% <0.00%> (ø)
internal/querynodev2/segments/segment.go	75.48% <63.63%> (-0.27%)	⬇️

... and 24 files with indirect coverage changes

[congqixia]

/lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: congqixia, yah01

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