v3.59.0

• Added Struct support for ydb.ParamsBuilder()
• Added support of TzDate,TzDateTime,TzTimestamp types in ydb.ParamsBuilder()
• Added trace.Query.OnTransactionExecute event
• Added query pool metrics
• Fixed logic of query session pool
• Changed initialization of internal driver clients to lazy
• Removed ydb.WithSessionPoolSizeLimit() option
• Added async put session into pool if external context is done
• Dropped intermediate callbacks from trace.{Table,Retry,Query} events
• Wrapped errors from internal/pool.Pool.getItem as retryable
• Disabled the logic of background grpc-connection parking
• Improved stringification for postgres types

Full Changelog: v3.58.2...v3.59.0