Make Azure/cloud specific dependencies and functionality optional

[elliottb303]

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Potential package bloat due to MS and multi-cloud dependencies; vulnerabilities

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When installing Scout suite, appearing 75% or more of dependencies were for Azure/GCP/Alibaba APIs, which I won't use for this install. Eventually, if there are 10 different cloud providers, including all clouds will become unmanageable

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Publish optional versions or installs with cloud specific options

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Looked at branches and did not see any clear cloud specific option

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[elliottb303]

Looks like just boto3-1.21.2 and botocore-1.24.2 were AWS specific dependencies. Between Alibaba, GCP and Azure, looks like 30+ other dependencies were pulled down

[elliottb303]

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