release-23.1: sql: add server.max_open_transactions_per_gateway cluster setting #118949
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Backport 1/1 commits from #118781.
/cc @cockroachdb/release
Release justification: high priority, low risk change
informs #110272
Release note (sql change): Added the
server.max_open_transactions_per_gateway cluster setting. When set to a non-negative value, then non-admin users cannot execute a query if the number of transactions open on the current gateway node is already at the configured limit.