Drupal 11 compatibility and code quality improvements (!8) · Merge requests · project / message_banner · GitLab

Update core_version_requirement to ^10.3 || ^11
Fix config schema type: config_entity -> config_object
Use parent::create() pattern for D11 ConfigFormBase compatibility
Add typed properties and return types
Update composer.json with PHP 8.1+ and core requirements
Simplify install hooks

Closes #3565290