Bump civicrm/civicrm-drupal-8 from 6.11.1 to 6.12.0

Bumps [civicrm/civicrm-drupal-8](https://github.com/civicrm/civicrm-drupal-8) from 6.11.1 to 6.12.0.
- [Commits](civicrm/civicrm-drupal-8@6.11.1...6.12.0)

---
updated-dependencies:
- dependency-name: civicrm/civicrm-drupal-8
  dependency-version: 6.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]