Update to log4j 2.16.0 (#3175)

Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>

CHANGELOG.md

@@ -15,6 +15,7 @@
 
 ### Bug Fixes
 - Change the base docker image from Debian Buster to Ubuntu 20.04 [#3171](https://github.com/hyperledger/besu/issues/3171) fixes [#3045](https://github.com/hyperledger/besu/issues/3045)
+- Update log4j to 2.16.0.
 
 ### Early Access Features
 - Add support for additional JWT authentication algorithms [#3017](https://github.com/hyperledger/besu/pull/3017)

gradle/versions.gradle

@@ -100,10 +100,10 @@ dependencyManagement {
     dependency 'org.apache.commons:commons-compress:1.21'
     dependency 'org.apache.commons:commons-text:1.9'
 
-    dependency 'org.apache.logging.log4j:log4j-api:2.15.0'
+    dependency 'org.apache.logging.log4j:log4j-api:2.16.0'
-    dependency 'org.apache.logging.log4j:log4j-core:2.15.0'
+    dependency 'org.apache.logging.log4j:log4j-core:2.16.0'
-    dependency 'org.apache.logging.log4j:log4j-jul:2.15.0'
+    dependency 'org.apache.logging.log4j:log4j-jul:2.16.0'
-    dependency 'org.apache.logging.log4j:log4j-slf4j-impl:2.15.0'
+    dependency 'org.apache.logging.log4j:log4j-slf4j-impl:2.16.0'
 
     dependency 'org.apache.tuweni:tuweni-bytes:2.0.0'
     dependency 'org.apache.tuweni:tuweni-config:2.0.0'