fix(tests): Round 38 - Fix Replacement field string pointer

Fixed Replacement field at line 281:
- Changed: Replacement: "oran_${1}"
- To: Replacement: stringPtr("oran_${1}")
- RelabelConfig.Replacement expects *string not string

Errors fixed in Round 38: 1
Total errors fixed across ALL 38 rounds: 158

Author: thc1006

adapters/vnf-operator/tests/monitoring/servicemonitor_test.go

@@ -278,7 +278,7 @@ func TestServiceMonitorCreation(t *testing.T) {
 									SourceLabels: []monitoringv1.LabelName{"__name__"},
 									Regex:        "o_ran_(.*)",
 									TargetLabel:  "__name__",
-									Replacement:  "oran_${1}",
+									Replacement:  stringPtr("oran_${1}"),
 								},
 							},
 						},