*: upgrade etcd to v3.4.31

[asddongmen]

What problem does this PR solve?

Issue Number: Close #8018, ref #5520

What is changed and how does it work?

Upgrade etcd to v3.4.31 to fix the etcd issue: https://github.com/etcd-io/etcd/issues/15247

Check List

Tests

• No code

Code changes

Side effects

Related changes

• Need to cherry-pick to the release branch

Release note

None.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• HuSharp
• rleungx

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[rleungx]

The rest LGTM

[HuSharp]

https://github.com/tikv/pd/actions/runs/8532798384/job/23374503402?pr=8017

ci failed because msg not contain "fail"

pd/tools/pd-ctl/tests/keyspace/keyspace_test.go

Line 103 in 0419004

re.Contains(string(output), "Fail")

It seems like after updating this library, achieved the right redirect to stderr (maybe fixed by this spf13/cobra#894)

Maybe you need to add root.SetErr(buf) in I have supportted another pr to fix it:)

pd/tools/pd-ctl/tests/helper.go

Line 29 in ddf810b

func ExecuteCommand(root *cobra.Command, args ...string) (output []byte, err error) {

cc @rleungx

[HuSharp]

fixed in #8021

[HuSharp]

/merge

[ti-chi-bot]

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/run-all-tests

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[ti-chi-bot]

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

Commit hash: c4f1fe0

[codecov]

Codecov Report

Merging #8017 (c4f1fe0) into master (fff288d) will decrease coverage by 0.09%.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #8017      +/-   ##
==========================================
- Coverage   73.58%   73.50%   -0.09%     
==========================================
  Files         436      436              
  Lines       48525    48525              
==========================================
- Hits        35709    35666      -43     
- Misses       9757     9787      +30     
- Partials     3059     3072      +13     

Flag	Coverage Δ
unittests	73.50% <100.00%> (-0.09%)	⬇️

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

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-7.5: #8025.