chore(deps): update dependency org.xmlunit:xmlunit-assertj to v2.9.1

Author: renovate[bot]

java/pom.xml

@@ -89,7 +89,7 @@
         <dependency>
             <groupId>org.xmlunit</groupId>
             <artifactId>xmlunit-assertj</artifactId>
-            <version>2.9.0</version>
+            <version>2.9.1</version>
             <scope>test</scope>
         </dependency>