add vni and port to cni-conf.json in kube-flannel-rbac.yml

[UweErikMartin]

The cni-conf.json configmap in kube-flannel-rbac.yml does not contain the VNI and Port required for windows vxlan communication. This is added.

[k8s-ci-robot]

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[jsturtevant]

It looks like the first few commits are missing info:

❌ The commit (https://github.com/kubernetes-sigs/sig-windows-tools/commit/f0487def315349c5450da9adfd394586942d0719, https://github.com/kubernetes-sigs/sig-windows-tools/commit/697a097f98908ea8230695a22b7a420bd5c95cd8). This user is missing the User's ID, preventing the EasyCLA check. [Consult GitHub Help](https://help.github.com/en/github/committing-changes-to-your-project/why-are-my-commits-linked-to-the-wrong-user) to resolve.For further assistance with EasyCLA, [please submit a support request ticket](https://jira.linuxfoundation.org/servicedesk/customer/portal/4).

Maybe if you sqaush the commits, drop them or start fresh it might help? The latest commits seems to have the correct info

[UweErikMartin]

/check-cla

[UweErikMartin]

I start from scratch