Merge branch 'main' into remove-esql-sample-seed

Author: jan-elastic

server/src/main/java/org/elasticsearch/cluster/NodeConnectionsService.java

@@ -342,9 +342,7 @@ void disconnect() {
 
  @Override
  public String toString() {
- synchronized (mutex) {
- return "ConnectionTarget{" + "discoveryNode=" + discoveryNode + '}';
- }
+ return "ConnectionTarget{discoveryNode=" + discoveryNode + '}';
  }
  }
 }