fix: WCAG (4.1.2) aria-labelledby on sequential messages

[ergot-rp]

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[dionisio-bot]

Looks like this PR is not ready to merge, because of the following issues:

• This PR is targeting the wrong base branch. It should target 7.11.0, but it targets 7.10.0

Please fix the issues and try again

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[changeset-bot]

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[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
3 out of 4 committers have signed the CLA.

✅ MartinSchoeler
✅ ggazzo
✅ gabriellsh
❌ ergotse
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[scuciatto]

Can we have a description for the PR, please?