Bump log4j-core to 2.16.0 (close #211)

Author: istreeter

project/Dependencies.scala

@@ -18,7 +18,7 @@ object Dependencies {
     // Java
     val config           = "1.4.1"
     val slf4j            = "1.7.32"
-    val log4j            = "2.14.1"
+    val log4j            = "2.16.0"
     val kinesisClient    = "1.14.4"
     val kinesisConnector = "1.3.0"
     val nsqClient        = "1.1.0-rc1"