Bump org.junit:junit-bom from 5.13.4 to 6.0.0 in /finish

Bumps [org.junit:junit-bom](https://github.com/junit-team/junit-framework) from 5.13.4 to 6.0.0.
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r5.13.4...r6.0.0)

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

finish/build.gradle

@@ -28,7 +28,7 @@ subprojects {
     }
 
     dependencies {
-        testImplementation platform('org.junit:junit-bom:5.13.4')
+        testImplementation platform('org.junit:junit-bom:6.0.0')
         testImplementation 'org.junit.jupiter:junit-jupiter'
         testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
     }