MM-31391: Add max connection idle timeout to config (#16792)

* Update config.go

* Update telemetry.go

* Update store and store test

* Update settings.go

* use new error code

* Trigger CI

Co-authored-by: Haardik Dharma <dharmahaardik08@gmail.com>

services/telemetry/telemetry.go

@@ -474,6 +474,7 @@ func (ts *TelemetryService) trackConfig() {
 		"trace":                          cfg.SqlSettings.Trace,
 		"max_idle_conns":                 *cfg.SqlSettings.MaxIdleConns,
 		"conn_max_lifetime_milliseconds": *cfg.SqlSettings.ConnMaxLifetimeMilliseconds,
+		"conn_max_idletime_milliseconds": *cfg.SqlSettings.ConnMaxIdleTimeMilliseconds,
 		"max_open_conns":                 *cfg.SqlSettings.MaxOpenConns,
 		"data_source_replicas":           len(cfg.SqlSettings.DataSourceReplicas),
 		"data_source_search_replicas":    len(cfg.SqlSettings.DataSourceSearchReplicas),