build(deps): bump org.junit:junit-bom from 5.11.4 to 5.12.0 (#2429)

Bumps [org.junit:junit-bom](https://github.com/junit-team/junit5) from 5.11.4 to 5.12.0.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.11.4...r5.12.0)

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  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>

Author: dependabot[bot]

exposed-migration/build.gradle.kts

@@ -11,7 +11,7 @@ repositories {
 dependencies {
     api(project(":exposed-core"))
 
-    testImplementation(platform("org.junit:junit-bom:5.11.4"))
+    testImplementation(platform("org.junit:junit-bom:5.12.0"))
     testImplementation("org.junit.jupiter:junit-jupiter")
 }