chore(deps): bump github.com/metal3-io/cluster-api-provider-metal3/api from 1.9.0 to 1.9.1 in /kubernetes-model-generator/openapi/generator

chore(deps): bump github.com/metal3-io/cluster-api-provider-metal3/api from 1.9.0 to 1.9.1 in /kubernetes-model-generator/openapi/generator #6334