Bump org.xmlunit:xmlunit-assertj3 from 2.10.2 to 2.10.3

Bumps [org.xmlunit:xmlunit-assertj3](https://github.com/xmlunit/xmlunit) from 2.10.2 to 2.10.3.
- [Release notes](https://github.com/xmlunit/xmlunit/releases)
- [Changelog](https://github.com/xmlunit/xmlunit/blob/main/RELEASE_NOTES.md)
- [Commits](xmlunit/xmlunit@v2.10.2...v2.10.3)

---
updated-dependencies:
- dependency-name: org.xmlunit:xmlunit-assertj3
  dependency-version: 2.10.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

log4j-tools-parent/pom.xml

@@ -50,7 +50,7 @@
     <osgi.annotation.bundle.version>2.0.0</osgi.annotation.bundle.version>
     <osgi.annotation.versioning.version>1.1.2</osgi.annotation.versioning.version>
     <spotbugs-annotations.version>4.9.3</spotbugs-annotations.version>
-    <xmlunit.version>2.10.2</xmlunit.version>
+    <xmlunit.version>2.10.3</xmlunit.version>
 
     <!-- Maven plugin versions -->
     <maven-plugin.version>3.15.1</maven-plugin.version>