Resolve Gitlab/TokenWithoutPrefix offenses in ApplicationSetting
What does this MR do and why?
This MR resolves non-autocorrectable RuboCop offenses for the Gitlab/TokenWithoutPrefix cop in app/models/application_setting.rb.
Following GitLab's Secure Coding Guidelines, we are adding standardized static prefixes to authentication tokens to improve secret detection and security auditing.
Related to RuboCop Todo Cleanup Initiative - Non-Autocorre... (#592383 - closed).
Edited by Rémy Coutable