Bump junit5-version from 5.12.2 to 5.13.4

Bumps `junit5-version` from 5.12.2 to 5.13.4.

Updates `org.junit.jupiter:junit-jupiter` from 5.12.2 to 5.13.4
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.12.2...r5.13.4)

Updates `org.junit.vintage:junit-vintage-engine` from 5.12.2 to 5.13.4
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.12.2...r5.13.4)

---
updated-dependencies:
- dependency-name: org.junit.jupiter:junit-jupiter
  dependency-version: 5.13.4
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.junit.vintage:junit-vintage-engine
  dependency-version: 5.13.4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 # Keep lexicographical (alphabetical) order everywhere!
 [versions]
-junit5-version = '5.12.2'
+junit5-version = '6.0.0'
 picocli-version = "4.7.7"
 slf4j-version = '2.0.17'
 string-similarity-version = '1.0.0'