Fix concurrency conflicts in states informer

[zwzhang0107]

Ⅰ. Describe what this PR does

Ⅱ. Does this pull request fix one issue?

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

V. Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests
• All checks passed in make test

[jasonliu747]

/lgtm

[koordinator-bot]

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[codecov]

Codecov Report

Merging #568 (fcd29e7) into main (bd3a7e3) will decrease coverage by 0.24%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #568      +/-   ##
==========================================
- Coverage   67.38%   67.14%   -0.25%     
==========================================
  Files         163      164       +1     
  Lines       17354    17762     +408     
==========================================
+ Hits        11694    11926     +232     
- Misses       4801     4953     +152     
- Partials      859      883      +24     

Flag	Coverage Δ
unittests	67.14% <100.00%> (-0.25%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/koordlet/statesinformer/states_node.go	25.80% <100.00%> (ø)
...dlet/statesinformer/states_noderesourcetopology.go	60.61% <100.00%> (ø)
pkg/util/utils.go	55.00% <0.00%> (-11.67%)	⬇️
pkg/koordlet/runtimehooks/reconciler/reconciler.go	71.57% <0.00%> (-7.37%)	⬇️
...eduler/plugins/nodenumaresource/cpu_accumulator.go	80.56% <0.00%> (-3.46%)	⬇️
...kg/descheduler/controllers/migration/controller.go	61.87% <0.00%> (-1.74%)	⬇️
pkg/scheduler/plugins/nodenumaresource/cpuset.go	83.58% <0.00%> (-0.80%)	⬇️
apis/extension/scheduling.go	0.00% <0.00%> (ø)
pkg/scheduler/eventhandlers/reservation_handler.go	50.00% <0.00%> (ø)
...r/plugins/nodenumaresource/cpu_topology_manager.go	100.00% <0.00%> (ø)
... and 14 more

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