Set node-role.kubernetes.io based on MicroShift roles

[pmtk]

Which issue(s) this PR addresses:
Closes #661 USHIFT-28

Desc
Adds node labeling based on MicroShift roles. There's a slight difference between MicroShift's and kubelet's roles: control-plane vs controlplane, worker vs node

[pmtk]

/assign @fzdarsky
/cc @benluddy @dhellmann

[oglok]

[root@maxwell ~]# oc --kubeconfig=kubeconfig-clusterbot get node
NAME                                       STATUS   ROLES                  AGE   VERSION
ci-ln-cw0ryxb-72292-nqblm-master-0         Ready    control-plane,master   30m   v1.24.0+da80cd0
ci-ln-cw0ryxb-72292-nqblm-master-1         Ready    control-plane,master   30m   v1.24.0+da80cd0
ci-ln-cw0ryxb-72292-nqblm-master-2         Ready    control-plane,master   30m   v1.24.0+da80cd0
ci-ln-cw0ryxb-72292-nqblm-worker-a-r5bqn   Ready    worker                 21m   v1.24.0+da80cd0
ci-ln-cw0ryxb-72292-nqblm-worker-b-868mp   Ready    worker                 21m   v1.24.0+da80cd0
ci-ln-cw0ryxb-72292-nqblm-worker-c-jcpbf   Ready    worker                 21m   v1.24.0+da80cd0

Let's go for the same labels that are present in OpenShift. @dhellmann

[dhellmann]

Yes, let's be consistent with standalone OpenShift.

[dhellmann]

/kind bug

[pmtk]

Added master

[dhellmann]

/approve

[oglok]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dhellmann, oglok, pmtk

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[openshift-ci]

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[ggiguash]

Closes USHIFT-28