tests: pdate csi-node-driver-registrar image reference

Seems like the quay.io image is either gone, or at least sometimes
gone. The repository for this is
https://github.com/kubernetes-csi/node-driver-registrar, the image
referenced there is from k8s.gcr.io, so let's use it.

Signed-off-by: Vincent Demeester <[email protected]>

Author: vdemeester

test/testdata/spire/spire-agent.yaml

@@ -147,7 +147,7 @@ spec:
         # of all the little details required to register a CSI driver with
         # the kubelet.
         - name: node-driver-registrar
-          image: quay.io/k8scsi/csi-node-driver-registrar:v2.0.1
+          image: k8s.gcr.io/sig-storage/csi-node-driver-registrar:v2.0.1
           imagePullPolicy: IfNotPresent
           args: [
             "-csi-address", "/spiffe-csi/csi.sock",
@@ -201,4 +201,4 @@ spec:
         - name: kubelet-plugin-registration-dir
           hostPath:
             path: /var/lib/kubelet/plugins_registry
-            type: Directory
+            type: Directory