[3.1] Point to docs.hibernate.org instead of docs.jboss.org/hibernate in various docs#2843

DavideD merged 3 commits intohibernate:3.1hibernate/hibernate-reactive:3.1from

marko-bekhta:docs/3.1/remove-docs.jboss.org-hibernatemarko-bekhta/hibernate-reactive:docs/3.1/remove-docs.jboss.org-hibernateCopy head branch name to clipboard