Add support for workload identity federation

[LalitLab]

This depends on https://github.com/Azure/azure-sdk-for-go/issues/15615

Is your feature request related to a problem? Please describe. Add support for authenticating the Azure Steampipe plugin with workload identity when steampipe is installed inside a Kubernetes Pod.

Reference links: https://docs.microsoft.com/en-us/azure/active-directory/develop/workload-identity-federation https://docs.microsoft.com/en-us/azure/active-directory/develop/workload-identity-federation#supported-scenarios

Supporting slack ref: https://steampipe.slack.com/archives/C01UECB59A7/p1652091832589699

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[github-actions[bot]]

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