release-23.0: add e2e compatibility for v24 PR #19009

[timvaillancourt]

Description

This PR fixes a bug in release-23.0 upgrade e2e testing, which is incompatible with the v24 PR #19009

The problem is "upgrade" e2e CI uses an N + 1 version of vtctldclient, and in v24 this client was updated to return new error messaging. TL;DR: v24 returns rpc error: code = Unknown desc = tablet is shutdown when a tablet is down

Related Issue(s)

#19009

Checklist

• "Backport to:" labels have been added if this change should be back-ported to release branches
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Deployment Notes

AI Disclosure

[vitess-bot]

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