[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.

version=3
opts=uversionmangle=s/(rc|a|b|c)/~$1/ \
https://pypi.debian.net/cubicweb/cubicweb-(.+)\.(?:zip|tgz|tbz|txz|(?:tar\.(?:gz|bz2|xz)))