Revisions 241, 242

Released to 14/edge
OCI images:

• {'resource_name': 'postgresql-image', 'revision': 156}

What's Changed

• [MISC] Unify juju2 and juju3 test suites by @lucasgameiroborges in #462
• [DPE-2671] Rerender and reenable pgbackrest config and service by @dragomirp in #461

Full Changelog: rev240...rev242