setup: reuses proto container (backport #9192)

[mergify]

This is an automatic backport of pull request #9192 done by Mergify.

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[amaury1093]

@robert-zaremba could you take care of fixing the conflicts?

[robert-zaremba]

could you take care of fixing the conflicts?

done

[amaury1093]

thanks!

[robert-zaremba]

@aaronc , @alexanderbez - could you merge this? @alessio if you have the rights?