Install correct version of networking-mlnx for openstack release - #2548

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This change or one of its cross-repo dependencies was unable to be automatically merged with the current state of its repository. Please rebase the change and upload a new patchset.
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Error merging github/stackhpc/stackhpc-kayobe-config for 2548,93710cd05825c8dfec3bf138b01f46a01e4b77b8