[debian] add Breaks on cubicweb-bootstrap
Need to be versioned once we know which version fixes
https://www.cubicweb.org/ticket/3728939
usr/lib/PY_VERSION/*-packages/cubicweb/server/
usr/lib/PY_VERSION/*-packages/cubicweb/hooks/
usr/lib/PY_VERSION/*-packages/cubicweb/sobjects/
usr/lib/PY_VERSION/*-packages/cubicweb/schemas/
usr/share/cubicweb/migration/