This update for postgresql, postgresql13, postgresql14 fixes the following issues:

This update ships postgresql14. (jsc#SLE-20675 jsc#SLE-20676)

Feature changes in postgresql14:

- https://www.postgresql.org/about/news/postgresql-14-released-2318/
- https://www.postgresql.org/docs/14/release-14.html

Changes in postgresql13:

- Stop building the mini and lib packages as they are now coming
  from postgresql14.

Changes in postgresql:

- Bump version to 14, leave default at 12.