koord-scheduler: fix succeeded reservation in scheduler cache

[saintube]

Signed-off-by: saintube saintube@foxmail.com

Ⅰ. Describe what this PR does

1. fix the handler for succeeded reservations in the scheduler cache
2. fix a potential panic when cleanup a reservation cannot get
3. fix typos
4. update codecov.yaml, set patch check optional

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

Merging #516 (dec91df) into main (afcc49b) will decrease coverage by 0.00%.
The diff coverage is 33.33%.

@@            Coverage Diff             @@
##             main     #516      +/-   ##
==========================================
- Coverage   67.95%   67.94%   -0.01%     
==========================================
  Files         155      155              
  Lines       16504    16504              
==========================================
- Hits        11215    11214       -1     
  Misses       4457     4457              
- Partials      832      833       +1     

Flag	Coverage Δ
unittests	67.94% <33.33%> (-0.01%)	⬇️

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

Impacted Files	Coverage Δ
pkg/scheduler/eventhandlers/reservation_handler.go	48.85% <27.27%> (ø)
...cheduler/plugins/reservation/garbage_collection.go	82.14% <100.00%> (ø)
pkg/util/httputil/reverseproxy.go	84.30% <0.00%> (-0.80%)	⬇️
pkg/koordlet/runtimehooks/reconciler/reconciler.go	81.05% <0.00%> (+2.10%)	⬆️

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[eahydra]

/lgtm
/approve

[hormes]

/lgtm
/approve

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: eahydra, hormes

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• OWNERS [hormes]

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