Drupal 11 readiness.

Closes #3429472

tests/modules/config_rewrite_nonexisting/config_rewrite_nonexisting.info.yml

 name: Configuration Rewrite Nonexisting
 type: module
 description: 'Test module for Configuration Rewrite testing. Provides a rewrite the intent to rewrite nonexistent config.'
-core_version_requirement: ^8.7.7 || ^9
+core_version_requirement: ^8.7.7 || ^9 || ^10.1 || ^11
 package: Testing
 dependencies:
  - config_rewrite