Bump org.junit:junit-bom from 5.12.1 to 5.12.2

Bumps [org.junit:junit-bom](https://github.com/junit-team/junit5) from 5.12.1 to 5.12.2.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.12.1...r5.12.2)

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  dependency-version: 5.12.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

build.gradle

@@ -92,7 +92,7 @@ dependencies {
   }
 
   testImplementation project.deps.gocdPluginApi
-  testImplementation platform('org.junit:junit-bom:5.12.1')
+  testImplementation platform('org.junit:junit-bom:5.12.2')
   testImplementation group: 'org.junit.jupiter', name: 'junit-jupiter-api'
   testImplementation group: 'org.junit.jupiter', name: 'junit-jupiter-params'
   testRuntimeOnly group: 'org.junit.jupiter', name: 'junit-jupiter-engine'