Bump junitVersion from 5.11.4 to 5.12.0

Bumps `junitVersion` from 5.11.4 to 5.12.0.

Updates `org.junit.jupiter:junit-jupiter-api` from 5.11.4 to 5.12.0
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit-framework@r5.11.4...r5.12.0)

Updates `org.junit.jupiter:junit-jupiter-engine` from 5.11.4 to 5.12.0
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit-framework@r5.11.4...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.jupiter:junit-jupiter-engine
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

build.gradle.kts

@@ -79,7 +79,7 @@ dependencies {
   testImplementation(localGroovy())
   testImplementation(gradleTestKit())
 
-  val junitVersion = "5.11.4"
+  val junitVersion = "5.12.0"
   testImplementation("org.assertj:assertj-core:3.26.3")
   testImplementation("org.junit.jupiter:junit-jupiter-api:$junitVersion")
   testImplementation("net.navatwo:gradle-plugin-better-testing-junit5:0.0.0")