Bump org.junit:junit-bom from 5.12.0 to 5.12.1

Bumps [org.junit:junit-bom](https://github.com/junit-team/junit5) from 5.12.0 to 5.12.1.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.12.0...r5.12.1)

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

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

Author: dependabot[bot]

java-codegen/build.gradle.kts

@@ -175,7 +175,7 @@ dependencies {
     implementation("org.commonmark", "commonmark", "0.24.0")
 
     // EPL-2.0
-    testImplementation(platform("org.junit:junit-bom:5.12.0"))
+    testImplementation(platform("org.junit:junit-bom:5.12.1"))
     testImplementation("org.junit.jupiter", "junit-jupiter")
     testRuntimeOnly("org.junit.platform", "junit-platform-launcher")
 }