fix(lint): use rdTestWorkloadName constant for repeated workload name

Replace literal "test-workload" occurrences with the existing
rdTestWorkloadName constant so goconst no longer flags them.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: scotwells

internal/controller/workload_controller_test.go

@@ -21,7 +21,7 @@ import (
 func makeWorkload(generation int64) *computev1alpha.Workload {
 	return &computev1alpha.Workload{
 		ObjectMeta: metav1.ObjectMeta{
-			Name:       "test-workload",
+			Name:       rdTestWorkloadName,
 			Namespace:  testDefaultNamespace,
 			Generation: generation,
 		},

internal/controller/workloaddeployment_federator_test.go

@@ -476,7 +476,7 @@ func TestWorkloadDeploymentFederator_Finalization(t *testing.T) {
 				Spec: computev1alpha.WorkloadDeploymentSpec{
 					CityCode:      testCityCodeLAX,
 					PlacementName: testDefaultPlacement,
-					WorkloadRef:   computev1alpha.WorkloadReference{Name: "test-workload"},
+					WorkloadRef:   computev1alpha.WorkloadReference{Name: rdTestWorkloadName},
 					ScaleSettings: computev1alpha.HorizontalScaleSettings{MinReplicas: 1},
 				},
 			}