[Feature Request]: Update the `Get-AzResourceProvider -ListAvailable` in our Pester tests with a custom API version solution

[AlexanderSehr]

Description

Based on the REST API Crawler IP (which is also embedded in the REST2CARML work) we could generate a ProviderNamespace-ResourceType-API file (e.g. JSON) that contains all available permutations.

For example

{
  "Microsoft.Storage" {
    "storageAccounts": [
      "2020-06-01",
      "2021-06-01",
      "(..)"
    ],
    "storageAccounts/blobServices": [
      "2020-06-01",
      "2021-06-01",
      "(..)"
    ],
    "(..)"
  },
  "(..)"
}

This file could be generated in a daily pipeline run and made available in our respository - essentially allowing us to maintain our own up-to-date knowledge base.

In the past it showed that the Get-AzResourceProvider function does not provide consistent results - in cases blocking PRs.