Bump org.junit.jupiter:junit-jupiter-api from 5.8.1 to 5.12.0 (#1045)

Bumps [org.junit.jupiter:junit-jupiter-api](https://github.com/junit-team/junit5) from 5.8.1 to 5.12.0.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit-framework@r5.8.1...r5.12.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Koudai Aono <[email protected]>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 # libraries
 annotations = "26.0.2"
-junit = "5.8.1"
+junit = "5.12.0"
 opentest4j = "1.3.0"
 # plugins
 kotlin = "2.2.0"