Bump: OpenStack Cloud Controller Manager to v1.31.1 (#11738)

* Refactor: replace registry.k8s.io with kube_image_repo variable

Signed-off-by: ChengHao Yang <17496418+tico88612@users.noreply.github.com>

* Bump: OpenStack Cloud Controller Manager upgrade to v1.31.1

Signed-off-by: ChengHao Yang <17496418+tico88612@users.noreply.github.com>

* Refactor: remove occm image tag from sample inventory

Signed-off-by: ChengHao Yang <17496418+tico88612@users.noreply.github.com>

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Signed-off-by: ChengHao Yang <17496418+tico88612@users.noreply.github.com>