Test against PG12 for master, nightly in 13.3
Proposal
Add PG12 tests to run in the nightly pipeline to identify issues from PG12 upgrade.
Long-term plan
See #213696 (closed).
Edited by Rémy Coutable
Add PG12 tests to run in the nightly pipeline to identify issues from PG12 upgrade.
See #213696 (closed).