Bump org.xmlunit:xmlunit-assertj3 from 2.9.0 to 2.9.1 (#226)

Bumps [org.xmlunit:xmlunit-assertj3](https://github.com/xmlunit/xmlunit) from 2.9.0 to 2.9.1.
- [Release notes](https://github.com/xmlunit/xmlunit/releases)
- [Changelog](https://github.com/xmlunit/xmlunit/blob/main/RELEASE_NOTES.md)
- [Commits](xmlunit/xmlunit@v2.9.0...v2.9.1)

---
updated-dependencies:
- dependency-name: org.xmlunit:xmlunit-assertj3
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -285,7 +285,7 @@
 		<dependency>
 			<groupId>org.xmlunit</groupId>
 			<artifactId>xmlunit-assertj3</artifactId>
-			<version>2.9.0</version>
+			<version>2.9.1</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>