Upgrade log4j2-ecs-layout to 0.5.2.
diff --git a/pom.xml b/pom.xml
index 2a441cf..8efb53e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -875,7 +875,7 @@
       <dependency>
         <groupId>co.elastic.logging</groupId>
         <artifactId>log4j2-ecs-layout</artifactId>
-        <version>0.4.0</version>
+        <version>0.5.2</version>
       </dependency>
       <dependency>
         <groupId>org.elasticsearch.client</groupId>