[Modules] Microsoft.compute/galleries/images - New Feature - SecurityType property

[shawntmeyer]

Description

Addressing [Issue #2504]: Added the SecurityType parameter to enable adding TrustedLaunch, ConfidentialVM, and ConfidentialVMSupported Security Type images for Gen2 VMs.

1. Added additional parameter and proper logic to the features object of the resource definition. If template is submitted with V1 hyperV version it will be switched to V2 automatically if SecurityType is specified.
2. Moved image and application tests into common test folder and deleted the application and image specific tests.

Type of Change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

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