Update stable image to v1.0.0

Author: saad-ali

deploy/kubernetes/images/prow-gke-release-staging-rc/image.yaml

@@ -35,7 +35,7 @@ metadata:
 imageTag:
   name: gke.gcr.io/gcp-compute-persistent-disk-csi-driver
   newName: gcr.io/gke-release-staging/gcp-compute-persistent-disk-csi-driver
-  newTag: "v0.7.0-gke.0"
+  newTag: "v1.0.0-gke.0"
 ---
 
 apiVersion: builtin

deploy/kubernetes/images/stable/image.yaml

@@ -51,5 +51,5 @@ imageTag:
   name: gke.gcr.io/gcp-compute-persistent-disk-csi-driver
   # Don't change stable image without changing pdImagePlaceholder in
   # test/k8s-integration/main.go
-  newTag: "v0.7.0-gke.0"
+  newTag: "v1.0.0-gke.0"
 ---