test.sh fails on arm64 platforms because sqlcmd repo has changed

On a 2023 Macbook Pro M2:

./test.sh fails because of line 19:
`    go install github.com/microsoft/go-sqlcmd/cmd/sqlcmd@latest || true`

fails with the error: `package github.com/microsoft/go-sqlcmd/cmd/sqlcmd is not a main package`