Changes to List a project's installations of a project plugin

added the required property installations/items/pending_permissions to the response with the 200 status

added the required property installations/items/permissions to the response with the 200 status

added the optional property installations/items/suspended_at to the response with the 200 status

added the optional property installations/items/suspended_by to the response with the 200 status

added the required property installations/items/lifecycle_state to the response with the 200 status

endpoint added