sql: telemetry max_event_frequency public

Epic: none
Fixes: #108385

Release note (sql change): make max_event_frequency public for public documentation

docs/generated/settings/settings-for-tenants.txt

@@ -295,6 +295,7 @@ sql.stats.system_tables.enabled	boolean	true	when true, enables use of statistic
 sql.stats.system_tables_autostats.enabled	boolean	true	when true, enables automatic collection of statistics on system tables	application
 sql.telemetry.query_sampling.enabled	boolean	false	when set to true, executed queries will emit an event on the telemetry logging channel	application
 sql.telemetry.query_sampling.internal.enabled	boolean	false	when set to true, internal queries will be sampled in telemetry logging	application
+sql.telemetry.query_sampling.max_event_frequency	integer	8	the max event frequency at which we sample executions for telemetry, note that it is recommended that this value shares a log-line limit of 10  logs per second on the telemetry pipeline with all other telemetry events. If sampling mode is set to 'transaction', all statements associated with a single transaction are counted as 1 unit.	application
 sql.temp_object_cleaner.cleanup_interval	duration	30m0s	how often to clean up orphaned temporary objects	application
 sql.temp_object_cleaner.wait_interval	duration	30m0s	how long after creation a temporary object will be cleaned up	application
 sql.log.all_statements.enabled	boolean	false	set to true to enable logging of all executed statements	application

docs/generated/settings/settings.html

@@ -242,6 +242,7 @@
 <tr><td><div id="setting-sql-stats-system-tables-autostats-enabled" class="anchored"><code>sql.stats.system_tables_autostats.enabled</code></div></td><td>boolean</td><td><code>true</code></td><td>when true, enables automatic collection of statistics on system tables</td><td>Serverless/Dedicated/Self-Hosted</td></tr>
 <tr><td><div id="setting-sql-telemetry-query-sampling-enabled" class="anchored"><code>sql.telemetry.query_sampling.enabled</code></div></td><td>boolean</td><td><code>false</code></td><td>when set to true, executed queries will emit an event on the telemetry logging channel</td><td>Serverless/Dedicated/Self-Hosted</td></tr>
 <tr><td><div id="setting-sql-telemetry-query-sampling-internal-enabled" class="anchored"><code>sql.telemetry.query_sampling.internal.enabled</code></div></td><td>boolean</td><td><code>false</code></td><td>when set to true, internal queries will be sampled in telemetry logging</td><td>Serverless/Dedicated/Self-Hosted</td></tr>
+<tr><td><div id="setting-sql-telemetry-query-sampling-max-event-frequency" class="anchored"><code>sql.telemetry.query_sampling.max_event_frequency</code></div></td><td>integer</td><td><code>8</code></td><td>the max event frequency at which we sample executions for telemetry, note that it is recommended that this value shares a log-line limit of 10  logs per second on the telemetry pipeline with all other telemetry events. If sampling mode is set to &#39;transaction&#39;, all statements associated with a single transaction are counted as 1 unit.</td><td>Serverless/Dedicated/Self-Hosted</td></tr>
 <tr><td><div id="setting-sql-temp-object-cleaner-cleanup-interval" class="anchored"><code>sql.temp_object_cleaner.cleanup_interval</code></div></td><td>duration</td><td><code>30m0s</code></td><td>how often to clean up orphaned temporary objects</td><td>Serverless/Dedicated/Self-Hosted</td></tr>
 <tr><td><div id="setting-sql-temp-object-cleaner-wait-interval" class="anchored"><code>sql.temp_object_cleaner.wait_interval</code></div></td><td>duration</td><td><code>30m0s</code></td><td>how long after creation a temporary object will be cleaned up</td><td>Serverless/Dedicated/Self-Hosted</td></tr>
 <tr><td><div id="setting-sql-trace-log-statement-execute" class="anchored"><code>sql.log.all_statements.enabled</code></div></td><td>boolean</td><td><code>false</code></td><td>set to true to enable logging of all executed statements</td><td>Serverless/Dedicated/Self-Hosted</td></tr>

pkg/sql/telemetry_logging.go

@@ -37,6 +37,7 @@ var TelemetryMaxEventFrequency = settings.RegisterIntSetting(
 		"transaction are counted as 1 unit.",
 	defaultMaxEventFrequency,
 	settings.NonNegativeInt,
+	settings.WithPublic,
 )
 
 var telemetryInternalQueriesEnabled = settings.RegisterBoolSetting(