Merge branch 'slack-19.0' into slack-19.0-backport-16997 · slackhq/vitess@4dc2a04

Canceling since a higher priority waiting request for 'format('{0}-{1}', refs/heads/slack-19.0-backport-16997, 'Upgrade Downgrade Testing - Backups - E2E')' exists

The operation was canceled.

The `python-version` input is not set. The version of Python currently in `PATH` will be used.