Extended private communication & merged image creation templates

[AlexanderSehr]

Change

• Extended private communication
• Merged image creation templates
• Updated used modules

Type of Change

Please delete options that are not relevant.

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [x] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update (Wiki)

[AlexanderSehr]

Blocked by: https://github.com/Azure/bicep/issues/6540

[AlexanderSehr]

Should now be unblocked (ref)