ci: update minikube version to latest release
ci: update minikube version to latest release

updated minikube to latest release v1.12.0

Signed-off-by: Madhu Rajanna <60fbf37a92c2a0908e31296d18dadbec5a4dae17@gmail.com>

ceph/ceph-csi,ceph/ceph-csi,ceph/ceph-csi,ceph/ceph-csi