Bump junit5 from 5.14.4 to 6.1.1

Bumps `junit5` from 5.14.4 to 6.1.1.

Updates `org.junit.jupiter:junit-jupiter` from 5.14.4 to 6.1.1
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.14.4...r6.1.1)

Updates `org.junit.vintage:junit-vintage-engine` from 5.14.4 to 6.1.1
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.14.4...r6.1.1)

---
updated-dependencies:
- dependency-name: org.junit.jupiter:junit-jupiter
  dependency-version: 6.1.1
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: org.junit.vintage:junit-vintage-engine
  dependency-version: 6.1.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -1,6 +1,6 @@
 [versions]
 log4j = "2.26.0"
-junit5 = "5.14.4"
+junit5 = "6.1.1"
 junit5Platform = "1.14.4" # in sync with buildSrc/src/main/resources/release_check/archunit-junit5-engine-api.pom
 assertj = "3.27.7"