Use new gradle features

[pull-vert]

use new gradle features

• https://docs.gradle.org/current/userguide/dependency_constraints.html
• https://docs.gradle.org/current/userguide/feature_variants.html (for each db types perhaps)

Done :

• https://docs.gradle.org/current/userguide/dependency_version_alignment.html (maybe for later use)
• https://docs.gradle.org/current/userguide/java_platform_plugin.html