Add missing documentation for minNumBrokersViolateMetricLimit

## Summary
1. Why: Documentation for **min.num.brokers.violate.metric.limit.to.decrease.cluster.concurrency** is missing.
2. What: document the setting

Author: il-kyun

docs/wiki/User Guide/Configurations.md

@@ -188,6 +188,7 @@ The following configurations are inherited from the open source Kafka client con
 | concurrency.adjuster.multiplicative.decrease.inter.broker.replica  | Integer | N         | 2                                                                                                                                                                                                                                                                    	                                                                                                                                                                                                                                                                                                | The fixed number by which the concurrency cap on inter-broker replica movements will be divided by the concurrency adjuster (if enabled) when any considered metric exceeds the concurrency adjuster limit.                                                                                                                                                                 |
 | concurrency.adjuster.multiplicative.decrease.leadership            | Integer | N         | 2                                                                                                                                                                                                                                                                    	                                                                                                                                                                                                                                                                                                | The fixed number by which the concurrency cap on leadership movements will be divided by the concurrency adjuster (if enabled) when any considered metric exceeds the concurrency adjuster limit.                                                                                                                                                                           |
 | concurrency.adjuster.multiplicative.decrease.leadership.per.broker | Integer | N         | 2                                                                                                                                                                                                                                                                    	                                                                                                                                                                                                                                                                                                | The fixed number by which the per broker concurrency cap on leadership movements will be divided by the concurrency adjuster (if enabled) when any considered metric exceeds the concurrency adjuster limit.                                                                                                                                                                |
+| min.num.brokers.violate.metric.limit.to.decrease.cluster.concurrency | Integer | N | 2 | The minimum number of brokers with metrics violating concurrency adjuster limits that can lead to cluster concurrency decrease. |
 | list.partition.reassignment.timeout.ms                             | Long    | N         | 60000                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | The maximum time to wait for the response of an Admin#listPartitionReassignments() request to be available.                                                                                                                                                                                                                                                                 |
 | list.partition.reassignment.max.attempts                           | Integer | N         | 3                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | The maximum number of attempts to get an available response for an Admin#listPartitionReassignments() request in case of a timeout. Each attempt recalculates the allowed timeout using: list-partition-reassignments-timeout-for-the-initial-response * (base-backoff ^ attempt).                                                                                          |
 | min.execution.progress.check.interval.ms                           | Double  | N	      | 5000                                                                                                                                                                                                                                                                    	                                                                                                                                                                                                                                                                                             | The minimum execution progress check interval that users can dynamically set the execution progress check interval to.                                                                                                                                                                                                                                                      |