Bump the development-dependencies group with 2 updates

Bumps the development-dependencies group with 2 updates: [org.testcontainers:testcontainers-bom](https://github.com/testcontainers/testcontainers-java) and [org.xmlunit:xmlunit-assertj3](https://github.com/xmlunit/xmlunit).


Updates `org.testcontainers:testcontainers-bom` from 1.21.1 to 1.21.2
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.21.1...1.21.2)

Updates `org.xmlunit:xmlunit-assertj3` 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.testcontainers:testcontainers-bom
  dependency-version: 1.21.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
- dependency-name: org.xmlunit:xmlunit-assertj3
  dependency-version: 2.10.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
...

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

Author: dependabot[bot]

build.gradle

@@ -117,9 +117,9 @@ ext {
     springSecurityVersion = '7.0.0-SNAPSHOT'
     springVersion = '7.0.0-SNAPSHOT'
     springWsVersion = '5.0.0-SNAPSHOT'
-    testcontainersVersion = '1.21.1'
+    testcontainersVersion = '1.21.2'
     tomcatVersion = '11.0.8'
-    xmlUnitVersion = '2.10.2'
+    xmlUnitVersion = '2.10.3'
     xstreamVersion = '1.4.21'
     ztZipVersion = '1.17'