Bump com.google.guava:guava from 33.2.0-jre to 33.4.0-jre (#137)

Bumps [com.google.guava:guava](https://github.com/google/guava) from 33.2.0-jre to 33.4.0-jre.
- [Release notes](https://github.com/google/guava/releases)
- [Commits](https://github.com/google/guava/commits)

---
updated-dependencies:
- dependency-name: com.google.guava:guava
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

build.gradle

@@ -144,7 +144,7 @@ project(':iso20022-core') {
 
 		testImplementation 'javax.persistence:javax.persistence-api:2.2'
 		testImplementation 'org.junit.jupiter:junit-jupiter:5.10.2'
-		testImplementation 'com.google.guava:guava:33.2.0-jre'
+		testImplementation 'com.google.guava:guava:33.4.0-jre'
 		testImplementation 'org.assertj:assertj-core:3.27.0'
 		testImplementation 'org.xmlunit:xmlunit-core:2.10.0'
 		testImplementation 'org.xmlunit:xmlunit-matchers:2.10.0'