Update the default value of tidb_stmt_summary_max_stmt_count (#6718)#6721

ti-chi-bot merged 2 commits into

pingcap:release-5.1pingcap/docs-cn:release-5.1from

ti-chi-bot:cherry-pick-6718-to-release-5.1ti-chi-bot/docs-cn:cherry-pick-6718-to-release-5.1Copy head branch name to clipboard