az resource update command fails on all resources of type publicIPAddresses.

The az resource update command fails on all resources of type publicIPAddresses.

> az resource update --id $resource.id

BadRequestError: Resource /subscriptions/SUBID/resourceGroups/RGID/providers/Microsoft.Network/publicIPAddresses/IPID has an existing availability zone constraint 1, 2, 3 and the request has availability zone constraint NoZone, which do not match. Zones cannot be added/updated/removed once the resource is created. The resource cannot be updated from regional to zonal or vice-versa

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#### Document Details

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* ID: e76a8ad2-efd8-9e8a-9b2b-eebeb1e9d1d4
* Version Independent ID: 280b7ea9-eb6c-9601-464b-09bf8e0cff5d
* Content: [az resource](https://docs.microsoft.com/en-us/cli/azure/resource?view=azure-cli-latest)
* Content Source: [latest/docs-ref-autogen/resource.yml](https://github.com/MicrosoftDocs/azure-docs-cli/blob/master/latest/docs-ref-autogen/resource.yml)
* Service: **azure-resource-manager**
* GitHub Login: @rloutlaw
* Microsoft Alias: **routlaw**