use io.netty.leakDetection.targetRecords as replacement for io.netty.…

…leakDetection.maxSampledRecords (#9925)

Motivation:

"io.netty.leakDetection.maxSampledRecords" was removed in 16b1dbd

Modification:

Replaced it with targetRecords

Result: 

Use correct flag during test execution

pom.xml

@@ -215,7 +215,7 @@
     <profile>
       <id>leak</id>
       <properties>
-        <argLine.leak>-Dio.netty.leakDetectionLevel=paranoid -Dio.netty.leakDetection.maxRecords=32</argLine.leak>
+        <argLine.leak>-Dio.netty.leakDetectionLevel=paranoid -Dio.netty.leakDetection.targetRecords=32</argLine.leak>
       </properties>
     </profile>
     <profile>