Bump org.xmlunit:xmlunit-core from 2.9.0 to 2.9.1 (#214)

Bumps [org.xmlunit:xmlunit-core](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-core
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -279,7 +279,7 @@
 		<dependency>
 			<groupId>org.xmlunit</groupId>
 			<artifactId>xmlunit-core</artifactId>
-			<version>2.9.0</version>
+			<version>2.9.1</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>