[source,native] Generalize the IntegrityError constraint parsing regex
This allows catching constraint-related errors that have been translated
by psycopg2, replacing surrounding english quotes by french quotes + space
for instance.
Closes #17047951.
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