koord-scheduler: DeviceShare plugin supports custom allocator

[eahydra]

Signed-off-by: Joseph joseph.t.lee@outlook.com

Ⅰ. Describe what this PR does

DeviceShare plugins supports custom allocator to implement different allocation strategies.

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

[codecov]

Codecov Report

Base: 66.97% // Head: 66.99% // Increases project coverage by +0.01% 🎉

Coverage data is based on head (510df31) compared to base (79ce5e0).
Patch coverage: 84.37% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #965      +/-   ##
==========================================
+ Coverage   66.97%   66.99%   +0.01%     
==========================================
  Files         243      244       +1     
  Lines       28287    28313      +26     
==========================================
+ Hits        18946    18968      +22     
- Misses       8043     8047       +4     
  Partials     1298     1298              

Flag	Coverage Δ
unittests	66.99% <84.37%> (+0.01%)	⬆️

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

Impacted Files	Coverage Δ
pkg/scheduler/plugins/deviceshare/plugin.go	87.71% <81.25%> (-1.11%)	⬇️
pkg/scheduler/plugins/deviceshare/allocator.go	87.50% <87.50%> (ø)
pkg/koordlet/runtimehooks/reconciler/reconciler.go	65.88% <0.00%> (-1.18%)	⬇️
pkg/scheduler/plugins/coscheduling/core/gang.go	76.07% <0.00%> (+0.92%)	⬆️

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[hormes]

/lgtm
/approve

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hormes

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