[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.

etc/init.d
etc/cubicweb.d
etc/bash_completion.d
usr/bin
usr/share/doc/cubicweb-ctl
var/log/cubicweb
var/lib/cubicweb/backup
var/lib/cubicweb/instances