Adding categories to have the test verify it can delete a variant containing installations w/ categories
use entityManger.remove instead of jpa query to enable cascade delete.
AGPUSH-838: confirm removal of applications/variants
Adding callback for connection issues
4.1.12.Final of Hibernate and discriminator-column name update
remove hibernate version override from le BOM
Update to AG crypto
AGPUSH-844: implement button for renew variant secret