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](https://github.com/junit-team/junit-framework/compare/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>

build.gradle

@@ -7,7 +7,7 @@ ext {
     btVersion = "0.4.1"
     swtVersion = "3.132.0"
     piSwtVersion = "3.8.2"
-    junitVersion = "6.0.2"
+    junitVersion = "6.0.3"
     antVersion = "1.10.15"
     commonsLang3Version = "3.20.0"
     commonsCsvVersion = "1.14.1"