Parse Tags like in GenerateResourcesAndImage.ps1

[YannickRe]

Description

Bug fixing. Adjust the logic of dealing with Tags in a way that is an exact copy of the logic within GenerateResourcesAndImage.ps1 . This solves a parsing error.

Related issue:

Check list

• Related issue / work item is attached
• Tests are written (if applicable)
• Documentation is updated (if applicable)
• Changes are tested and related VM images are successfully generated

[Copilot]

Pull Request Overview

This PR fixes a parsing error by aligning the tag handling logic with the implementation from GenerateResourcesAndImage.ps1. The change ensures proper JSON escaping of tags based on the PowerShell version being used.

• Updates tag processing to handle JSON escaping properly across different PowerShell versions
• Replaces direct JSON conversion with version-specific string escaping logic
• Renames the variable from azure_tags to TagsJson for clarity

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[YannickRe]

Copilot is being stupid here, the point is to do that exact string replacement...