Bump xmlunitVersion from 2.10.3 to 2.10.4 (#11121)

Bumps `xmlunitVersion` from 2.10.3 to 2.10.4.

Updates `org.xmlunit:xmlunit-core` from 2.10.3 to 2.10.4
- [Release notes](https://github.com/xmlunit/xmlunit/releases)
- [Changelog](https://github.com/xmlunit/xmlunit/blob/main/RELEASE_NOTES.md)
- [Commits](xmlunit/xmlunit@v2.10.3...v2.10.4)

Updates `org.xmlunit:xmlunit-matchers` from 2.10.3 to 2.10.4
- [Release notes](https://github.com/xmlunit/xmlunit/releases)
- [Changelog](https://github.com/xmlunit/xmlunit/blob/main/RELEASE_NOTES.md)
- [Commits](xmlunit/xmlunit@v2.10.3...v2.10.4)

---
updated-dependencies:
- dependency-name: org.xmlunit:xmlunit-core
  dependency-version: 2.10.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.xmlunit:xmlunit-matchers
  dependency-version: 2.10.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -146,7 +146,7 @@ under the License.
     <jxpathVersion>1.4.0</jxpathVersion>
     <resolverVersion>1.9.24</resolverVersion>
     <slf4jVersion>1.7.36</slf4jVersion>
-    <xmlunitVersion>2.10.3</xmlunitVersion>
+    <xmlunitVersion>2.10.4</xmlunitVersion>
     <powermockVersion>2.0.9</powermockVersion>
     <maven.test.redirectTestOutputToFile>true</maven.test.redirectTestOutputToFile>
     <!-- Control the name of the distribution and information output by mvn -->