enlarge log level for dig gc error

Signed-off-by: RainbowMango <renhongcai@huawei.com>

artifacts/deploy/controller-manager.yaml

@@ -28,6 +28,7 @@ spec:
             - --kubeconfig=/etc/kubeconfig
             - --bind-address=0.0.0.0
             - --secure-port=10357
+            - --v=2
           volumeMounts:
           - name: kubeconfig
             subPath: kubeconfig

artifacts/deploy/kube-controller-manager.yaml

@@ -51,6 +51,7 @@ spec:
             - --service-account-private-key-file=/etc/karmada/pki/karmada.key
             - --service-cluster-ip-range=10.96.0.0/12
             - --use-service-account-credentials=true
+            - --v=4
           image: k8s.gcr.io/kube-controller-manager:v1.19.1
           imagePullPolicy: IfNotPresent
           name: kube-controller-manager