[Java] Bump Log4j2 to completely remove lookups (#21081)

As per the 2.16.0 release of Lo4j2, Lookup support is removed 🎉 
https://logging.apache.org/log4j/2.x/changes-report.html#a2.16.0

java/dependencies.bzl

@@ -17,9 +17,9 @@ def gen_java_deps():
             "org.apache.commons:commons-lang3:3.4",
             "org.msgpack:msgpack-core:0.8.20",
             "org.ow2.asm:asm:6.0",
-            "org.apache.logging.log4j:log4j-api:2.15.0",
-            "org.apache.logging.log4j:log4j-core:2.15.0",
-            "org.apache.logging.log4j:log4j-slf4j-impl:2.15.0",
+            "org.apache.logging.log4j:log4j-api:2.16.0",
+            "org.apache.logging.log4j:log4j-core:2.16.0",
+            "org.apache.logging.log4j:log4j-slf4j-impl:2.16.0",
             "org.slf4j:slf4j-api:1.7.25",
             "com.lmax:disruptor:3.3.4",
             "org.yaml:snakeyaml:1.26",