Bump junit-bom from 5.9.2 to 5.9.3

Bumps [junit-bom](https://github.com/junit-team/junit5) from 5.9.2 to 5.9.3.
- [Release notes](https://github.com/junit-team/junit5/releases)
- [Commits](junit-team/junit5@r5.9.2...r5.9.3)

---
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]>

pom.xml

@@ -127,7 +127,7 @@
     <!-- some of plugins requires JDK 11 -->
     <recommendedJavaBuildVersion>11</recommendedJavaBuildVersion>
 
-    <junitBomVersion>5.9.2</junitBomVersion>
+    <junitBomVersion>5.9.3</junitBomVersion>
     <maven.version>3.2.5</maven.version>
     <doxiaVersion>1.12.0</doxiaVersion>
     <doxia-sitetoolsVersion>1.11.1</doxia-sitetoolsVersion>