Bump org.junit:junit-bom from 5.13.1 to 5.13.4

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  dependency-version: 5.13.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

build.gradle

@@ -34,7 +34,7 @@ dependencies {
     implementation 'org.glassfish.jaxb:jaxb-runtime:4.0.5'
 
     // JUnit Jupiter using Gradle's native JUnit Platform
-    testImplementation platform('org.junit:junit-bom:5.13.1')
+    testImplementation platform('org.junit:junit-bom:5.13.4')
     testImplementation 'org.junit.jupiter:junit-jupiter'
     testImplementation 'org.junit.jupiter:junit-jupiter-params'
     testRuntimeOnly 'org.junit.platform:junit-platform-reporting'