Bump org.cyclonedx:cyclonedx-maven-plugin in /lang/java

Bumps [org.cyclonedx:cyclonedx-maven-plugin](https://github.com/CycloneDX/cyclonedx-maven-plugin) from 2.8.1 to 2.9.1.
- [Release notes](https://github.com/CycloneDX/cyclonedx-maven-plugin/releases)
- [Commits](CycloneDX/cyclonedx-maven-plugin@cyclonedx-maven-plugin-2.8.1...cyclonedx-maven-plugin-2.9.1)

---
updated-dependencies:
- dependency-name: org.cyclonedx:cyclonedx-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

lang/java/pom.xml

@@ -64,7 +64,7 @@
     <!-- version properties for plugins -->
     <archetype-plugin.version>3.2.1</archetype-plugin.version>
     <bundle-plugin-version>5.1.9</bundle-plugin-version>
-    <cyclonedx-maven-plugin.version>2.8.1</cyclonedx-maven-plugin.version>
+    <cyclonedx-maven-plugin.version>2.9.1</cyclonedx-maven-plugin.version>
     <exec-plugin.version>3.4.1</exec-plugin.version>
     <file-management.version>3.1.0</file-management.version>
     <javacc-plugin.version>3.0.3</javacc-plugin.version>