Merge pull request #131 from project-openubl/dependabot/maven/xmlunit.version-2.9.0

Author: dependabot[bot]

pom.xml

@@ -46,7 +46,7 @@
 
         <awaitility.version>4.2.0</awaitility.version>
         <testcontainers.version>1.17.5</testcontainers.version>
-        <xmlunit.version>2.6.4</xmlunit.version>
+        <xmlunit.version>2.9.0</xmlunit.version>
 
         <license.dir>${basedir}</license.dir>