refactor(go): use driverbase helpers for getstatistics and getstatistics test#78

lidavidm merged 2 commits intoadbc-drivers:mainadbc-drivers/trino:mainfrom

Mandukhai-Alimaa:refactor/getstatistics-to-use-helpersMandukhai-Alimaa/trino:refactor/getstatistics-to-use-helpersCopy head branch name to clipboard