refactor: use a more straightforward return value

[beforetech]

use a more straightforward return value

[k8s-ci-robot]

Hi @beforetech. Thanks for your PR.

I'm waiting for a etcd-io member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[ahrtr]

/ok-to-test

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.93%. Comparing base (2de17bd) to head (f954f76).
Report is 35 commits behind head on main.

Additional details and impacted files

Files with missing lines	Coverage Δ
client/v3/kv.go	94.44% <100.00%> (ø)
server/auth/jwt.go	79.79% <100.00%> (ø)

... and 25 files with indirect coverage changes

@@            Coverage Diff             @@
##             main   #19470      +/-   ##
==========================================
+ Coverage   68.84%   68.93%   +0.09%     
==========================================
  Files         420      420              
  Lines       35762    35779      +17     
==========================================
+ Hits        24622    24666      +44     
+ Misses       9714     9686      -28     
- Partials     1426     1427       +1     

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[beforetech]

Thanks for your review.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ahrtr, beforetech, serathius

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