Fix azure table storage name length requirement.
Fix azure table storage name length requirement.

https://docs.microsoft.com/en-us/rest/api/storageservices/Understanding-the-Table-Service-Data-Model?redirectedfrom=MSDN#table-names.

sebastus/terraform-provider-azurerm,abhijeetgaiha/terraform-provider-azurerm,thiagocaiubi/terraform-provider-azurerm,thiagocaiubi/terraform-provider-azurerm,sebastus/terraform-provider-azurerm,sebastus/terraform-provider-azurerm,abhijeetgaiha/terraform-provider-azurerm,thiagocaiubi/terraform-provider-azurerm,abhijeetgaiha/terraform-provider-azurerm