[Modules] Managed instance support TLS setting

[coolhome]

Description

Implements SQL Managed Instances to have Minimum TLS version. This PR fixes #2261.

Pipeline references

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Pipeline

Type of Change

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• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Update to documentation

Checklist

• I'm sure there are no other open Pull Requests for the same update/change
• My corresponding pipelines / checks run clean and green without any errors or warnings
• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation (readme)
• I did format my code

[coolhome]

@microsoft-github-policy-service agree

[AlexanderSehr]

Approved and merged. Thank you very much for your contribution @coolhome 💪