[Modules] AppConfiguration: Excluded not available features from free tier

[itpropro]

Description

Set the properties enablePurgeProtection and softDeleteRetentionInDays to false and 0 respectively if the sku is "Free" as no other values are allowed for the free tier.

Type of Change

Please delete options that are not relevant.

• 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 code follows the style guidelines of this project
• I did format my code

[AlexanderSehr]

Thanks for the contribution. Tested the change on my side - just to be safe :D