[release-23.0] Don't hardcode the go version to use for upgrade/downgrade tests. (#18920)#18956

timvaillancourt merged 1 commit intorelease-23.0vitessio/vitess:release-23.0from

backport-18920-to-release-23.0vitessio/vitess:backport-18920-to-release-23.0Copy head branch name to clipboard