Add identity column in table azure_kusto_cluster

[khushboo9024]

Is your feature request related to a problem? Please describe.
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]

Add identity column in table azure_kusto_cluster

https://pkg.go.dev/github.com/Azure/azure-sdk-for-go@v58.0.0+incompatible/services/kusto/mgmt/2021-01-01/kusto#Identity

Describe the solution you'd like
A clear and concise description of what you want to happen.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.