Bump xmlunit.version from 2.10.2 to 2.10.3 (#488)

Bumps `xmlunit.version` from 2.10.2 to 2.10.3.

Updates `org.xmlunit:xmlunit-core` 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)

Updates `org.xmlunit:xmlunit-matchers` 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-core
  dependency-version: 2.10.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
- dependency-name: org.xmlunit:xmlunit-matchers
  dependency-version: 2.10.3
  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>

Author: dependabot[bot]

pom.xml

@@ -99,7 +99,7 @@
         <junit.version>5.13.2</junit.version>
         <slf4j.version>2.0.17</slf4j.version>
         <xalan.version>2.7.3</xalan.version>
-        <xmlunit.version>2.10.2</xmlunit.version>
+        <xmlunit.version>2.10.3</xmlunit.version>
         <xml.bind.api.version>4.0.2</xml.bind.api.version>
         <woodstox.core.version>7.1.1</woodstox.core.version>