add user-assigned identity to worker nodes for CI version templates

Author: nojnhuh

templates/test/ci/cluster-template-prow-ci-version-dual-stack.yaml

@@ -55,6 +55,7 @@ patches:
 - path: patches/machine-deployment-ci-version-control-plane.yaml
 - path: ../patches/metrics-server-enabled-cluster.yaml
 - path: ../patches/controller-manager-featuregates.yaml
+- path: ../patches/uami-md-0.yaml
 configMapGenerator:
 - behavior: merge
   files:

templates/test/ci/cluster-template-prow-ci-version-ipv6.yaml

@@ -29,6 +29,7 @@ patches:
 - path: patches/machine-pool-ci-version.yaml
 - path: ../patches/machine-pool-worker-counts.yaml
 - path: patches/machine-pool-ci-version-windows.yaml
+- path: ../patches/uami-mp-0.yaml
 configMapGenerator:
 - behavior: merge
   files: