Update jmh version to avoid build failures (#164)

Author: bhautikpip

aws-xray-recorder-sdk-benchmark/pom.xml

@@ -17,7 +17,7 @@
 
     <properties>
         <java.version>1.8</java.version>
-        <jmh.version>1.8</jmh.version>
+        <jmh.version>1.23</jmh.version>
 
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
@@ -126,4 +126,4 @@
             <version>${jmh.version}</version>
         </dependency>
     </dependencies>
-</project>
+</project>