*: Fix linter after Go 1.18 upgrade

[nolouch]

Signed-off-by: nolouch nolouch@gmail.com

What problem does this PR solve?

ref #4944
Issue Number: Close #4944

What is changed and how does it work?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Release note

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• lhy1024
• rleungx

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[codecov]

Codecov Report

Merging #4945 (34265c0) into master (cbd7145) will decrease coverage by 0.00%.
The diff coverage is 66.66%.

@@            Coverage Diff             @@
##           master    #4945      +/-   ##
==========================================
- Coverage   75.31%   75.31%   -0.01%     
==========================================
  Files         297      297              
  Lines       29471    29472       +1     
==========================================
  Hits        22197    22197              
- Misses       5335     5337       +2     
+ Partials     1939     1938       -1     

Flag	Coverage Δ
unittests	75.31% <66.66%> (-0.01%)	⬇️

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

Impacted Files	Coverage Δ
pkg/autoscaling/prometheus.go	72.22% <0.00%> (ø)
tools/pd-ctl/pdctl/command/store_command.go	63.79% <100.00%> (+0.08%)	⬆️
server/tso/local_allocator.go	71.62% <0.00%> (-6.76%)	⬇️
server/storage/storage.go	64.86% <0.00%> (-5.41%)	⬇️
server/id/id.go	76.19% <0.00%> (-4.77%)	⬇️
server/election/leadership.go	73.19% <0.00%> (-4.13%)	⬇️
pkg/etcdutil/etcdutil.go	86.20% <0.00%> (-2.30%)	⬇️
pkg/dashboard/adapter/manager.go	77.01% <0.00%> (-2.30%)	⬇️
server/tso/tso.go	69.49% <0.00%> (-2.26%)	⬇️
server/storage/endpoint/meta.go	59.55% <0.00%> (-2.25%)	⬇️
... and 23 more

---

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[nolouch]

/merge

[ti-chi-bot]

@nolouch: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

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[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 34265c0