Issue #3284552 by bircher, benjifisher: Drupal 10 compatibility

config_split.info.yml

 name: Config Split
 type: module
 description: Configuration transformer for importing and exporting split config
-core_version_requirement: ^8.8 || ^9
+core_version_requirement: ^8.8 || ^9 || ^10
 package: Config
 configure: entity.config_split.collection