Update dependency org.xmlunit:xmlunit-core to v2.10.4

Author: renovate[bot]

parent/pom.xml

@@ -174,7 +174,7 @@
       <dependency>
         <groupId>org.xmlunit</groupId>
         <artifactId>xmlunit-core</artifactId>
-        <version>2.10.3</version>
+        <version>2.10.4</version>
       </dependency>
       <dependency>
         <groupId>org.zeroturnaround</groupId>