Zone redundancy cannot be enabled for sku EP3

### Describe the bug

AZ CLI reports zone redundancy cannot be enabled for SKU EP3 when creating a function app.

### Related command

az functionapp plan create -g tfl-poc -n inference-function --min-instances 10 --max-burst 100 --sku EP3 --is-linux true --zone-redundant --location northeurope

### Errors

Zone redundancy cannot be enabled for sku EP3

### Issue script & Debug output

Zone redundancy cannot be enabled for sku EP3

### Expected behavior

I would expect to be able to create an EP3 zone redundant functionapp plan. This can be done through the portal.

### Environment Summary

azure-cli 2.46.0 *

core 2.46.0 *
telemetry 1.0.8 *

Extensions:
account 0.2.5
aks-preview 0.5.150
azure-devops 0.26.0
containerapp 0.3.20
front-door 1.0.17
k8s-extension 1.3.7
ml 2.19.1

Dependencies:
msal 1.20.0
azure-mgmt-resource 21.1.0b1

### Additional context

_No response_