Bump org.junit:junit-bom from 6.0.2 to 6.0.3

Bumps [org.junit:junit-bom](https://github.com/junit-team/junit-framework) from 6.0.2 to 6.0.3.
- [Release notes](https://github.com/junit-team/junit-framework/releases)
- [Commits](junit-team/junit-framework@r6.0.2...r6.0.3)

---
updated-dependencies:
- dependency-name: org.junit:junit-bom
  dependency-version: 6.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -85,7 +85,7 @@
         <version.elemento>2.4.8</version.elemento>
         <version.gwt.event>1.0.0-RC1</version.gwt.event>
         <version.gwt.safehtml>1.0.0-RC1</version.gwt.safehtml>
-        <version.junit>6.0.2</version.junit>
+        <version.junit>6.0.3</version.junit>
         <version.kie.j2cl.bom>0.5</version.kie.j2cl.bom>
         <version.mockito>5.21.0</version.mockito>
         <version.node>v24.10.0</version.node>