Bump org.junit:junit-bom from 5.11.4 to 5.13.0

Bumps [org.junit:junit-bom](https://github.com/junit-team/junit5) from 5.11.4 to 5.13.0.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.11.4...r5.13.0)

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  dependency-version: 5.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

build.gradle

@@ -18,7 +18,7 @@ dependencies {
     implementation "com.google.code.gson:gson:2.13.1"
     implementation "com.github.javaparser:javaparser-core:3.26.4"
 
-    testImplementation platform("org.junit:junit-bom:5.11.4")
+    testImplementation platform("org.junit:junit-bom:5.13.1")
     testImplementation "org.junit.jupiter:junit-jupiter"
     testImplementation "org.assertj:assertj-core:3.27.0"
     testImplementation "com.approvaltests:approvaltests:24.22.0"