Prepare 3.2.0-SNAPSHOT release

[perNyfelt]

Summary

• bump the project to 3.2.0-SNAPSHOT and update module release notes
• update OpenHTMLToPDF to 1.1.70, CommonMark to 0.30.0, JUnit BOM to 6.1.3, and the Gradle Versions Plugin to 0.61.0
• add the shared versions-plugin rules configuration to highlightjs-jvm
• replace deprecated Maven @Component injection with JSR-330 @Inject
• preserve Bootstrap CSS source compatibility and remove obsolete JavaFX fat-jar filtering

Validation

• mvn -pl gmd-maven-plugin -am test
• ./gradlew test
• git diff --check