[release-17.0] backport mysqlctl CLI compatibility fix to 17.0#14082

Merged

ajm188 merged 2 commits intovitessio:release-17.0from

planetscale:bp-mysqlctl-compat

Sep 22, 2023

Commits on Sep 22, 2023

backwards compat handling for upgrade/downgrade tests
Andrew Mason
committed
send only one command, not two
Andrew Mason
committed