Revert role change from cluster-admin->system:persistent-volume-provisioner

[tstromberg]

This reverts part of #6156 that caused a warning to be output when upgrading an old cluster.

Fixes #6510

/cc @nanikjava

[k8s-ci-robot]

@tstromberg: GitHub didn't allow me to request PR reviews from the following users: nanikjava.

Note that only kubernetes members and repo collaborators can review this PR, and authors cannot review their own PRs.

In response to this:

This reverts part of #6156 that caused a warning to be output when upgrading an old cluster.

Fixes #6510

/cc @nanikjava

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: tstromberg

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [tstromberg]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[codecov-io]

Codecov Report

Merging #6511 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #6511   +/-   ##
=======================================
  Coverage   37.95%   37.95%           
=======================================
  Files         138      138           
  Lines        8707     8707           
=======================================
  Hits         3305     3305           
  Misses       4985     4985           
  Partials      417      417

[tstromberg]

/ok-to-test

[minikube-pr-bot]

Error: running mkcmp: exit status 1