Update to Log4j 2.16.0

The security vulnerability which was reported as fixed in log4j 2.15.0 was not completed fixed. Now it's reported that is completed fixed in Log4j 2.16.0

Author: marcos-albornoz

pom.xml

@@ -65,7 +65,7 @@
         <bouncycastle.version>1.67</bouncycastle.version>
         <feign.version>10.4.0</feign.version>
         <guava.version>30.1.1-jre</guava.version>
-        <log4j.version>2.15.0</log4j.version>
+        <log4j.version>2.16.0</log4j.version>
         <junit.version>5.3.1</junit.version>
         <mockito.version>2.25.1</mockito.version>
         <wiremock.version>2.22.0</wiremock.version>