Support Azure AD Workload Identity for Azure output plugin authentication

**Is your feature request related to a problem? Please describe.**
I don't want to provide static credentials to output data to Azure, we should be using something like OIDC.

**Describe the solution you'd like**

Now that [Azure AD Workload Identity](https://learn.microsoft.com/en-us/azure/aks/workload-identity-overview) is GA the Azure output plugins should support this authentication method.

**Describe alternatives you've considered**
Azure AD Pod Identity is an alternative, but it never made it to GA and is currently deprecated in favour of Azure AD Workload Identity.

**Additional context**