Feature Request: Implement equivalent of network policies

**Is your feature request related to a problem? Please describe**.
Say App A, App B and App C are deployed, how to allow App A to call B and to deny App A to call C ?

**Describe the solution you'd like**.
Implement equivalent of network policies based on the App name

**Describe alternatives you've considered**.
not found

**Additional context**.
see also [Network Security](https://learn.microsoft.com/en-us/security/benchmark/azure/baselines/spring-cloud-security-baseline?toc=%2Fazure%2Fspring-apps%2Ftoc.json&bc=%2Fazure%2Fspring-apps%2Fbreadcrumb%2Ftoc.json#network-security)