Merge pull request #2977 from hazendaz/master

[pom] Use property for log4j2 version to reduce renovate PRs

pom.xml

@@ -132,6 +132,7 @@
 
   <properties>
     <clirr.comparisonVersion>3.4.6</clirr.comparisonVersion>
+    <log4j.version>2.21.0</log4j.version>
 
     <!-- Add slow test groups here and annotate classes similar to @Tag('groupName'). -->
     <!-- Excluded groups are ran on github ci, to force here, pass -d"excludedGroups=" -->
@@ -187,7 +188,7 @@
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-api</artifactId>
-      <version>2.21.0</version>
+      <version>${log4j.version}</version>
       <optional>true</optional>
     </dependency>
     <dependency>
@@ -329,7 +330,7 @@
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-core</artifactId>
-      <version>2.21.0</version>
+      <version>${log4j.version}</version>
       <scope>test</scope>
     </dependency>
   </dependencies>