build(deps): bump org.junit:junit-bom from 5.8.1 to 5.13.4 (#478)

Bumps [org.junit:junit-bom](https://github.com/junit-team/junit-framework) from 5.8.1 to 5.13.4.
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.8.1...r5.13.4)

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  dependency-version: 5.13.4
  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]

gradle/libs.versions.toml

@@ -12,7 +12,7 @@ jackson = "2.16.1"
 jreleaser = "1.18.0"
 json-smart = "2.5.2"
 jspecify = "1.0.0"
-junit = "5.8.1"
+junit = "5.13.4"
 picocli = "4.7.5"
 protobuf-plugin = "0.9.5"
 protobuf = "3.25.5"