Bump org.junit:junit-bom from 5.13.4 to 6.0.0

Bumps [org.junit:junit-bom](https://github.com/junit-team/junit-framework) from 5.13.4 to 6.0.0.
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.4...r6.0.0)

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -3,7 +3,7 @@ th2-plugin = "0.3.10"
 
 [libraries]
 assertj-core = { group = "org.assertj", name = "assertj-core", version = "3.27.6" }
-junit-bom = { group = "org.junit", name = "junit-bom", version = "5.13.4" }
+junit-bom = { group = "org.junit", name = "junit-bom", version = "6.0.0" }
 
 [plugins]
 th2-publish = { id = "com.exactpro.th2.gradle.publish", version.ref = "th2-plugin" }