* Add delete_authentication_config method and integrate it into create_or_update_executions
* typo
* Sanity
* Add integration tests for keycloak_authentication module with README, tasks, and variables
* Add copyright and license information to access_token.yml
* Sanity
* Refactor Keycloak integration tests: streamline README, update access token task, and enhance variable management
* Maj changelogs fragments
---------
Co-authored-by: Andre Desrosiers <andre.desrosiers@ssss.gouv.qc.ca>