apis: update Reservation kubebuilder:printcolumn comments

[eahydra]

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

Ⅰ. Describe what this PR does

if apply the koordinator 0.6, kubectl cannot print the node field of Reservation, as the following:

$ kubectl get reservation
kubectl get reservation
NAME                                       PHASE   AGE   
ea8a865f-073b-4dbb-b383-7d4adb6e5439               9s 

after fixed,

kubectl get reservation
NAME                                   PHASE       AGE    NODE                  TTL     EXPIRES
bd62f3c2-4c14-40fb-ba5e-83a94cb7908b   Available   3m2s   cn-hangzhou.1.2.3.4   30m0s

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 #524 (bb88cdb) into main (2b44432) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #524      +/-   ##
==========================================
+ Coverage   67.23%   67.25%   +0.01%     
==========================================
  Files         159      159              
  Lines       16916    16916              
==========================================
+ Hits        11374    11377       +3     
+ Misses       4699     4697       -2     
+ Partials      843      842       -1     

Flag	Coverage Δ
unittests	67.25% <ø> (+0.01%)	⬆️

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

Impacted Files	Coverage Δ
pkg/util/httputil/reverseproxy.go	85.10% <0.00%> (+0.79%)	⬆️

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[saintube]

/lgtm

[hormes]

/lgtm
/approve

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hormes

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