feat: Implement e2e private networking where possible

[AlexanderSehr]

Change

Implement e2e private networking where possible

• Assets Storage account with firewall enabled
• Network Security Group added

Type of Change

Please delete options that are not relevant.

• Bug fix (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)
• This change requires a documentation update (Wiki)