Microsoft.Network is missing azureresourceschema configuration for API versions 2020-07-01 & 2020-08-01

[anthony-c-martin]

API versions 2020-07-01 & 2020-08-01 was added here:
https://github.com/Azure/azure-rest-api-specs/blob/master/specification/network/resource-manager/readme.md

But is missing here:
https://github.com/Azure/azure-rest-api-specs/blob/master/specification/network/resource-manager/readme.azureresourceschema.md

[akning-ms]

issue fixed in above PR #12853, so closed this issue