1.3.7: Envelope-To, JSONB

• cli interface:
  • do not commit the directive to db if only in preview-mode
  • better error message when format scripts did not generate a notification
  • in Dry runs and debug logging level, also log envelop to addresses if set
• notifications:
  • allow for different envelope-to than header-to in mail_format_as_csv and EmailNotification
• Packaging:
  • Add GitHub Workflows to build Debian Package for Debian 11 and Debian 12
  • Fix Build for Debian 12 / Ubuntu 24.04 (#47)
• Documentation:
  • Include the README in the rendered documentation, converted to RST
  • Add conceptual overview graphics and some texts
  • add database schema visualization
  • convert sql/updates to markdown for readability
• SQL/Database:
  • Fix script to create Type ip_endpoint as superuser
  • use JSONB of events.extra
    IntelMQ's eventdb events.extra switched from type JSON to JSONB:
    certtools/intelmq#2597
    directly use the JSONB type in the functions
• github workflows:
  • update some actions for compatibility, update runners
  • fix package build script
  • update python versions: remove 3.7, add 3.8-3.13
  • use gpgme from pypi instead of compiling ourself