drupal#73 Change docker compose project name to prefix drupal_ for deployed sites, so that they are different from pipeline project names

Globally require mglaman/composer-drupal-lenient before running any composer command, if the current project depends on it

composer/plugin/drupal-10-scaffold#1 Generally allow oomphinc/composer-installers-extender in pipelines

#16 Create new mixin to merge a branch, use that in various places and ensure composer packages to always merge in the release stage

composer/plugin/drupal-development-environment#13 Add support for extended composer audit, disabled by default

The Drupal pipeline validation moved into the .pre stage
The Drupal check for updates moved to test stage