[release-22.0] ci: use etcd v3.5.25, add retries (#19015)

[vitess-bot]

Description

This is a backport of #19015

[vitess-bot]

Hello @timvaillancourt, there are conflicts in this backport.

Please address them in order to merge this Pull Request. You can execute the snippet below to reset your branch and resolve the conflict manually.

Make sure you replace origin by the name of the vitessio/vitess remote

git fetch --all
gh pr checkout 19021 -R vitessio/vitess
git reset --hard origin/release-22.0
git cherry-pick -m 1 802b55e2a70dbb32d49faf95f52a561cb0663ec4

[vitess-bot]

Review Checklist

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• Ensure that the Pull Request has a descriptive title.
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• vtctl command output order should be stable and awk-able.

[timvaillancourt]

go mod tidy is insisting on this and when I revert it, it puts it back. Let me know if this is a concern