Merge pull request #1015 from leiyiz/release-misc

update stable master and README reference to 1.7.2

Author: k8s-ci-robot

README.md

@@ -12,7 +12,7 @@ lifecycle of Google Compute Engine Persistent Disks.
 ## Project Status
 
 Status: GA
-Latest stable image: `k8s.gcr.io/cloud-provider-gcp/gcp-compute-persistent-disk-csi-driver:v1.7.1`
+Latest stable image: `k8s.gcr.io/cloud-provider-gcp/gcp-compute-persistent-disk-csi-driver:v1.7.2`
 
 ### Test Status
 

deploy/kubernetes/images/stable-master/image.yaml

@@ -52,5 +52,5 @@ imageTag:
   # Don't change stable image without changing pdImagePlaceholder in
   # test/k8s-integration/main.go
   newName: k8s.gcr.io/cloud-provider-gcp/gcp-compute-persistent-disk-csi-driver
-  newTag: "v1.7.1"
+  newTag: "v1.7.2"
 ---