1. The Gradle apt plugin is no longer needed to process annotations.
2. Without the apt plugin, Gralde puts the source files generated by
annotation processors in build/generated/sources/annotationProcessor.
3. Change the location of custom generated files to be consistent.
4. Fix a javadoc formatting error.
* Add testcontainers' Junit5 support dependency
Also updated guava, dagger, hibernate, postgresql, and cloud socket factory
to latest version.
Migrated PersistenceModuleTest as an example.
Real changes:
- dependencies.gradle
- core/build.gradle
- PersistenceModuleTest.java