HADOOP-19867. Upgrade log4j to 2.25.4 for security (#8444)

Reviewed-by: Shilun Fan <slfan1989@apache.org>
Signed-off-by: Cheng Pan <chengpan@apache.org>

Author: pjfanning

hadoop-project/pom.xml

@@ -88,7 +88,7 @@
     <!-- SLF4J/LOG4J version -->
     <slf4j.version>1.7.36</slf4j.version>
     <reload4j.version>1.2.22</reload4j.version>
-    <log4j2.version>2.25.3</log4j2.version>
+    <log4j2.version>2.25.4</log4j2.version>
 
     <!-- com.google.re2j version -->
     <re2j.version>1.1</re2j.version>