Upgrade Snapshot controller installed for all supported Kubernetes
versions to v7.0.2. Also update the manifests used to deploy the
Snapshot controller.

* Parameterized snaphot controller namespaces

* add ns yml

* add docs

* namespace

* CSI: update CSI snapshot CRDs

* CSI: update snapshot controller tag version with kubernetes specific versions

* CSI: allow enabling csi_snapshot_controller independent of Cinder CSI

* CSI: Align csi-snapshot-controller with upstream and use a Deployment instead of a StatefulSet

Add snapshot-controller for CSI drivers and snapshot CRDs, add a default volumesnapshotclass when running cinder CSI (#6537)

* add snapshot-controller and v1beta1 snapshot api

* fix typo

* udpate manifest to v1beta1

* update

* update manifests

* fix spelling

* wait until crd is applied

* fix missing info in kube module

* revert snapshotclass

* add snapshot crds before applying the csi driver

* add crds, missed them in last commit

* use pull policy from kubespray