Update local-volume-provisioner (#9463)

- Update and re-work the documentation:
  - Update links
  - Fix formatting (especially for lists)
  - Remove documentation about `useAlphaApi`,
    a flag only for k8s versions < v1.10
  - Attempt to clarify the doc
- Update to version 1.5.0
- Remove PodSecurityPolicy (deprecated in k8s v1.21+)
- Update ClusterRole following upstream
  (cf https://github.com/kubernetes-sigs/sig-storage-local-static-provisioner/pull/292)
- Add nodeSelector to DaemonSet (following upstream)

roles/kubernetes-apps/external_provisioner/local_volume_provisioner/defaults/main.yml

@@ -6,9 +6,9 @@ local_volume_provisioner_nodelabels: []
 #   - topology.kubernetes.io/region
 #   - topology.kubernetes.io/zone
 local_volume_provisioner_tolerations: []
-# Levarages Ansibles string to Python datatype casting. Otherwise the dict_key isn't substituted
-# see https://github.com/ansible/ansible/issues/17324
 local_volume_provisioner_use_node_name_only: false
+# Leverages Ansible's string to Python datatype casting. Otherwise the dict_key isn't substituted.
+# see https://github.com/ansible/ansible/issues/17324
 local_volume_provisioner_storage_classes: |
   {
     "{{ local_volume_provisioner_storage_class | default('local-storage') }}": {
@@ -16,6 +16,5 @@ local_volume_provisioner_storage_classes: |
       "mount_dir": "{{ local_volume_provisioner_mount_dir | default('/mnt/disks') }}",
       "volume_mode": "Filesystem",
       "fs_type": "ext4"
-
     }
   }