[pkg] Use “dependency package” instead of “virtual package” to describe python3-cubicweb-postgresql-support
The term “virtual” was too imprecise and is not accepted for empty
packages by Lintian anymore.
missing-dep-for-interpreter make => make | build-essential | dpkg-dev (usr/*/cubicweb/skeleton/debian/rules)
embedded-javascript-library usr/share/cubicweb/cubes/shared/data/jquery.js