Get Goals Aggregate v1 Marked Deprecated

We marked GET /api/v1/performance/employees/{employeeId}/goals/aggregate as deprecated in our OpenAPI documentation. Consumers migrating today should use the latest version:

GET /api/v1_2/performance/employees/{employeeId}/goals/aggregate

The annotation did not disable the v1 endpoint or remove access. No sunset date or removal timeline has been set, and existing integrations can continue using it.