Bump org.junit:junit-bom from 5.11.4 to 5.12.2

Bumps [org.junit:junit-bom](https://github.com/junit-team/junit5) from 5.11.4 to 5.12.2.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit-framework@r5.11.4...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-minor
...

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

Author: dependabot[bot]

build.gradle

@@ -107,7 +107,7 @@ dependencies {
     implementation 'com.rover12421.opensource:JFontChooser:1.0.5-3'
 
     // JUnit Jupiter using Gradle's native JUnit Platform
-    testImplementation platform('org.junit:junit-bom:5.11.4')
+    testImplementation platform('org.junit:junit-bom:5.12.2')
     testImplementation 'org.junit.jupiter:junit-jupiter'
     testImplementation 'org.junit.jupiter:junit-jupiter-params'
     testRuntimeOnly 'org.junit.platform:junit-platform-reporting'