Bump org.xmlunit:xmlunit-core from 2.9.1 to 2.10.0 in /dmn-signavio

Bumps [org.xmlunit:xmlunit-core](https://github.com/xmlunit/xmlunit) from 2.9.1 to 2.10.0.
- [Release notes](https://github.com/xmlunit/xmlunit/releases)
- [Changelog](https://github.com/xmlunit/xmlunit/blob/main/RELEASE_NOTES.md)
- [Commits](xmlunit/xmlunit@v2.9.1...v2.10.0)

---
updated-dependencies:
- dependency-name: org.xmlunit:xmlunit-core
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

dmn-signavio/pom.xml

@@ -22,7 +22,7 @@
     </parent>
 
     <properties>
-        <xmlunit.version>2.9.1</xmlunit.version>
+        <xmlunit.version>2.10.0</xmlunit.version>
         <jdom.version>2.0.6.1</jdom.version>
         <sonar.coverage.jacoco.xmlReportPaths>${project.basedir}/../dmn-aggregate/${aggregate.report.dir}</sonar.coverage.jacoco.xmlReportPaths>
     </properties>