Documentation states it's about WildFly 10, whereas it's about 11 (and soon 12)

The documentation states that it's about WF 10 ("How to package Hibernate OGM applications for WildFly 10").
https://docs.jboss.org/hibernate/stable/ogm/reference/en-US/html_single/#ogm-configuration-jbossmodule

We should use a variable so that it's updated automatically.

Might be a good idea to backport it to a 5.3 branch if we do a maintenance release soon.