Fix moved help url for license compliance

What does this MR do?

Fixes moved help url for application security/license compliance

On gitlab.com:

Before: https://gitlab.com/help/user/project/merge_requests/license_management

After: https://gitlab.com/help/user/application_security/license_compliance/index.md

Screenshots

Before

After

Does this MR meet the acceptance criteria?

Conformity