Bump log4j2 version

Author: fstab

simpleclient_log4j2/pom.xml

@@ -41,7 +41,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.16.0</version>
+            <version>2.17.0</version>
             <scope>provided</scope>
         </dependency>