Add Config Split and Updates Log

[ragnarkurmwunder]

There is no ticket. This PR is inspired by the need to integrate the Updates Log, and remove Warden.

Changes proposed in this PR:

• Composer:
  • Add: Updates Log
  • Add: Config Split
• Settings:
  • Add: Updates Log
  • Remove: Warden

How to test:

1. See if the Config Split is under contrib modules
2. See if the Updates Log is under contrib modules

$ ls -lad /app/web/modules/contrib/{config_split,updates_log}
drwxr-xr-x 1 www-data www-data 4096 Sep  3  2022 /app/web/modules/contrib/config_split
drwxr-xr-x 1 www-data www-data 4096 Mar 16 14:13 /app/web/modules/contrib/updates_log

Link to feature environment: https://feature-updates-log--and--config-sp769.drupal-project.dev.wdr.io

[misterjoonas]

There could be some instructions in README in which environments the updates_log module should be enabled. Basically main and production, but not in feature branches. I hope they are separated by env variables in Silta? Also Monolog needs to be enabled.

[tormi]

This requires removal of basic profile, see also https://github.com/wunderio/drupal-project/pull/403.