Make GnuPG configuration closer to the duraconf one
We should make good use of the great work done on https://help.riseup.net/en/security/message-security/openpgp/best-practices. The example configuration file lives in https://github.com/ioerror/duraconf.git.
Feature Branch: feature/7512-Make-GnuPG-config-closer-to-duraconf-reworked
Related issues
- Blocks #7416 (closed)
Original created by @intrigeri on 7512 (Redmine)