koord-scheduler: refactor ReservationInfo as public

[eahydra]

Ⅰ. Describe what this PR does

Export ReservationInfo to facilitate subsequent function evolution.

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

Patch coverage: 42.59% and project coverage change: -0.16 ⚠️

Comparison is base (f377ce8) 64.93% compared to head (09dbf35) 64.77%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1280      +/-   ##
==========================================
- Coverage   64.93%   64.77%   -0.16%     
==========================================
  Files         313      313              
  Lines       32938    32938              
==========================================
- Hits        21387    21335      -52     
- Misses       9990    10043      +53     
+ Partials     1561     1560       -1     

Flag	Coverage Δ
unittests	64.77% <42.59%> (-0.16%)	⬇️

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

Impacted Files	Coverage Δ
pkg/scheduler/frameworkext/reservation_info.go	0.00% <0.00%> (ø)
pkg/scheduler/plugins/reservation/transformer.go	65.06% <62.96%> (ø)
pkg/scheduler/plugins/reservation/cache.go	88.57% <90.90%> (ø)
pkg/scheduler/plugins/reservation/nominator.go	61.90% <100.00%> (ø)
pkg/scheduler/plugins/reservation/plugin.go	85.30% <100.00%> (ø)
pkg/scheduler/plugins/reservation/scoring.go	80.58% <100.00%> (ø)

... and 3 files with indirect coverage changes

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[ZiMengSheng]

/lgtm

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hormes

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• pkg/scheduler/OWNERS [hormes]

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