Bump log4j version

Author: adrienlauer

pom.xml

@@ -26,6 +26,7 @@
         <compatibility.skip>true</compatibility.skip>
         <bintray.package>elasticsearch-addon</bintray.package>
         <hibernate-validator.version>6.1.5.Final</hibernate-validator.version>
+        <log4j.version>2.13.2</log4j.version>
     </properties>
 
     <build>
@@ -167,13 +168,13 @@
                 <dependency>
                     <groupId>org.apache.logging.log4j</groupId>
                     <artifactId>log4j-api</artifactId>
-                    <version>2.11.1</version>
+                    <version>${log4j.version}</version>
                     <scope>provided</scope>
                 </dependency>
                 <dependency>
                     <groupId>org.apache.logging.log4j</groupId>
                     <artifactId>log4j-core</artifactId>
-                    <version>2.11.1</version>
+                    <version>${log4j.version}</version>
                     <scope>provided</scope>
                 </dependency>
             </dependencies>
@@ -199,13 +200,13 @@
                 <dependency>
                     <groupId>org.apache.logging.log4j</groupId>
                     <artifactId>log4j-api</artifactId>
-                    <version>2.11.1</version>
+                    <version>${log4j.version}</version>
                     <scope>provided</scope>
                 </dependency>
                 <dependency>
                     <groupId>org.apache.logging.log4j</groupId>
                     <artifactId>log4j-core</artifactId>
-                    <version>2.11.1</version>
+                    <version>${log4j.version}</version>
                     <scope>provided</scope>
                 </dependency>
             </dependencies>
@@ -231,13 +232,13 @@
                 <dependency>
                     <groupId>org.apache.logging.log4j</groupId>
                     <artifactId>log4j-api</artifactId>
-                    <version>2.11.1</version>
+                    <version>${log4j.version}</version>
                     <scope>provided</scope>
                 </dependency>
                 <dependency>
                     <groupId>org.apache.logging.log4j</groupId>
                     <artifactId>log4j-core</artifactId>
-                    <version>2.11.1</version>
+                    <version>${log4j.version}</version>
                     <scope>provided</scope>
                 </dependency>
             </dependencies>
@@ -263,13 +264,13 @@
                 <dependency>
                     <groupId>org.apache.logging.log4j</groupId>
                     <artifactId>log4j-api</artifactId>
-                    <version>2.11.1</version>
+                    <version>${log4j.version}</version>
                     <scope>provided</scope>
                 </dependency>
                 <dependency>
                     <groupId>org.apache.logging.log4j</groupId>
                     <artifactId>log4j-core</artifactId>
-                    <version>2.11.1</version>
+                    <version>${log4j.version}</version>
                     <scope>provided</scope>
                 </dependency>
             </dependencies>