Bump junit from 5.11.4 to 5.12.0

Bumps `junit` from 5.11.4 to 5.12.0.

Updates `org.junit.jupiter:junit-jupiter` 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.vintage:junit-vintage-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
  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] <[email protected]>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -4,7 +4,7 @@ commons-math = "3.6.1"
 groovy-bom = "4.0.25"
 gson = "2.12.1"
 h2 = "2.3.232"
-junit = "5.11.4"
+junit = "5.12.0"
 spock = "2.4-M5-groovy-4.0"
 
 [libraries]