Display 'License-Check' approval rule in the license compliance section

What does this MR do?

It adds a button and status indicator to the license-management page. They should allow users to quickly add, editor or remove merge request approval rules specific to license compliance.

• Adds new vuex-module that builds on existing state, actions and mutations for approval settings
• Adds a new vue component that contains the 'license approvals' button, the status text and a modal
• Adds to the rails controller to pass data via HAML to the store-settings
• Includes the newly added store and component within the policies-management app

Screenshots

Recording

license_approvals

Loading State

Does this MR meet the acceptance criteria?

Conformity

• [-] Changelog entry
• [-] Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers
• [-] Informed Infrastructure department of a default or new setting change, if applicable per definition of done

Related to #32149 (closed)