Merge pull request #1156 from sunnylovestiramisu/update-sidecar

Update rc image to v1.9.0-rc4

Author: k8s-ci-robot

CHANGELOG/CHANGELOG-1.9.md

@@ -19,6 +19,7 @@
 
 - Improve logging for device path verification ([#1142](https://github.com/kubernetes-sigs/gcp-compute-persistent-disk-csi-driver/pull/1142), [@saikat-royc](https://github.com/saikat-royc))
 - Update csi-attacher to v4.2.0 ([#1144](https://github.com/kubernetes-sigs/gcp-compute-persistent-disk-csi-driver/pull/1144), [@sunnylovestiramisu](https://github.com/sunnylovestiramisu))
+- Update sidecar based on internal versions ([#1154](https://github.com/kubernetes-sigs/gcp-compute-persistent-disk-csi-driver/pull/1154), [@sunnylovestiramisu](https://github.com/sunnylovestiramisu))
 
 ## Dependencies
 

deploy/kubernetes/images/prow-stable-sidecar-rc-master/image.yaml

@@ -48,6 +48,6 @@ metadata:
 imageTag:
   name: k8s.gcr.io/cloud-provider-gcp/gcp-compute-persistent-disk-csi-driver
   newName: gcr.io/k8s-staging-cloud-provider-gcp/gcp-compute-persistent-disk-csi-driver
-  newTag: "v1.9.0-rc3"
+  newTag: "v1.9.0-rc4"
 ---