To update the notes around Blobfuse-proxy supportability on OpenShift

[rh-aelgendy]

Is your feature request related to a problem?/Why is this needed

We need to highlight the change related to the following feat change for support blobfuse-proxy on OpenShift.

Describe the solution you'd like in detail
To update the following README.md for the Install CSI driver with Helm 3 & Install Azure Blob Storage CSI driver v1.23.1 version on a kubernetes cluster to reflect the recent support for OpenShift/CoreOS, currently it's still stating only available for Debian based agent nodes.

Describe alternatives you've considered
N/A

[rh-aelgendy]

cc: @andyzhangx @cvvz FYI I created this issue to keep track of fixing the doc to reflect the recent changes. Thnx

[andyzhangx]

thanks, we need to publish new release first since coreos support code is still in master branch now