*: update sysutil in go.mod to fix panic when search log

[crazycs520]

Signed-off-by: crazycs chen.two.cs@gmail.com

What problem does this PR solve?

Update sysutil in go.mod for pingcap/sysutil#31.

Check List

Tests

• No code

Release note

None

[ti-chi-bot]

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• rleungx

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[codecov]

Codecov Report

Merging #3929 (2b31ad0) into master (fb61469) will decrease coverage by 0.12%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #3929      +/-   ##
==========================================
- Coverage   74.65%   74.52%   -0.13%     
==========================================
  Files         246      246              
  Lines       25059    25059              
==========================================
- Hits        18708    18676      -32     
- Misses       4695     4716      +21     
- Partials     1656     1667      +11     

Flag	Coverage Δ
unittests	74.52% <ø> (-0.13%)	⬇️

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

Impacted Files	Coverage Δ
pkg/dashboard/adapter/manager.go	79.78% <0.00%> (-8.52%)	⬇️
server/kv/etcd_kv.go	72.46% <0.00%> (-7.25%)	⬇️
server/id/id.go	76.19% <0.00%> (-4.77%)	⬇️
server/region_syncer/client.go	77.46% <0.00%> (-4.23%)	⬇️
server/election/leadership.go	83.90% <0.00%> (-3.45%)	⬇️
server/election/lease.go	94.91% <0.00%> (-1.70%)	⬇️
server/member/member.go	65.24% <0.00%> (-1.07%)	⬇️
server/schedule/operator_controller.go	84.75% <0.00%> (-0.80%)	⬇️
server/schedule/operator/step.go	67.44% <0.00%> (-0.67%)	⬇️
client/base_client.go	82.29% <0.00%> (-0.53%)	⬇️
... and 3 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: 2b31ad0