Add sovereign cloud endpoints and suffix environment variables (part 2)

[davesee]

Issue-183

PR Checklist

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• [ NA] I have updated the documentation accordingly.
• [ NA] I have added tests to cover my changes.
• [Pending] All new and existing tests passed.
• [x ] My code follows the code style of this project.
• I ran lint checks locally prior to submission.
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Description

This PR resolves part one of the bug issue. See issue for other parts.

Added complex cloud variable to store endpoints and suffixes from the logged in cloud

• Retrieve az cloud show endpoints and suffixes
• Convert to variables to be passed to the modules
• Added Azure Public Cloud default values in the case the code is run without Rover
  • Can change to null defaults but opted for greater modularity.

closes #183

Does this introduce a breaking change

• YES
• NO

Testing

Use Azure update, Login to AzureUSGovernment and deploy a MSSQL db with db_permissions to see appropriate cloud URI in use.

[ghost]

All CLA requirements met.