Bump junitVersion from 5.11.3 to 5.12.0

Bumps `junitVersion` from 5.11.3 to 5.12.0.

Updates `org.junit.jupiter:junit-jupiter-api` from 5.11.3 to 5.12.0
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit-framework@r5.11.3...r5.12.0)

Updates `org.junit.vintage:junit-vintage-engine` from 5.11.3 to 5.12.0
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit-framework@r5.11.3...r5.12.0)

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

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

Author: dependabot[bot]

build.gradle

@@ -28,7 +28,7 @@ ext {
     jacocoVersion = '0.8.3'
     jaxbRuntimeVersion = '2.3.3'
     junitPlatformVersion = '1.4.1'
-    junitVersion = '5.11.3'
+    junitVersion = '5.12.0'
     logbackVersion = '1.5.12'
     mockitoVersion = '5.15.2'