{AzureNetwork} fixes Azure#22448 Making priority required (Azure#22874)

* {AzureNetwork} fixes Azure#22448 Making priority required 

fixes Azure#22448

[This is the API](https://learn.microsoft.com/en-us/rest/api/virtualnetwork/network-security-groups/create-or-update?tabs=HTTP#code-try-0) I invoked.

For the NSG security rules without priorities, seems like the priority parameter is required. Azure portal works as expected. I don't think that's allowed but according to the schema it is because the priority property is not marked as required. I tried to create a NSG security rule without the priorities and it failed with below. Intrestingly the Azure

Request Body:
```
{
  "properties": {
    "securityRules": [
      {
        "name": "rule1",
        "properties": {
          "protocol": "*",
          "sourceAddressPrefix": "*",
          "destinationAddressPrefix": "*",
          "access": "Allow",
          "destinationPortRange": "80",
          "sourcePortRange": "*",
          "direction": "Inbound"
        }
      }
    ]
  },
  "location": "eastus"
}
```
Response received:
```
{
  "error": {
    "code": "SecurityRuleInvalidPriority",
    "message": "Security rule has invalid Priority. Value provided: 0 Allowed range 100-4096.",
    "details": []
  }
}
```
This PR will make the priority parameter as required.

* Update NetworkSecurityGroupRuleDelete.json

Long running operation should return `azure-AsyncOperation` in response header.

* Update NetworkSecurityGroupDelete.json

Long running operation should return location or azure-AsyncOperation in header.

* Update NetworkSecurityGroupRuleDelete.json

* Update NetworkSecurityGroupDelete.json

* Update NetworkSecurityGroupRuleDelete.json

* Update NetworkSecurityGroupDelete.json

Author: navba-MSFT

specification/network/resource-manager/Microsoft.Network/stable/2022-09-01/examples/NetworkSecurityGroupDelete.json

@@ -7,7 +7,17 @@
   },
   "responses": {
     "200": {},
-    "202": {},
-    "204": {}
+    "202": {
+      "headers": {
+        "Location": "https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/myResourceGroup/providers/Microsoft.Network/locations/eastus/operationResults/00000000-0000-0000-0000-000000000000?api-version=2022-09-01",
+        "Azure-AsyncOperation": "https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/myResourceGroup/providers/Microsoft.Network/locations/eastus/operations/00000000-0000-0000-0000-000000000000?api-version=2022-09-01"
+      }
+    },
+    "204": {
+      "headers": {
+        "Location": "https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/myResourceGroup/providers/Microsoft.Network/locations/eastus/operationResults/00000000-0000-0000-0000-000000000000?api-version=2022-09-01",
+        "Azure-AsyncOperation": "https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/myResourceGroup/providers/Microsoft.Network/locations/eastus/operations/00000000-0000-0000-0000-000000000000?api-version=2022-09-01"
+      }
+    }
   }
 }

specification/network/resource-manager/Microsoft.Network/stable/2022-09-01/examples/NetworkSecurityGroupRuleDelete.json

@@ -7,8 +7,16 @@
     "securityRuleName": "rule1"
   },
   "responses": {
-    "200": {},
-    "202": {},
+    "200": {
+      "headers": {
+        "Azure-AsyncOperation": "https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/myResourceGroup/providers/Microsoft.Network/locations/eastus/operations/00000000-0000-0000-0000-000000000000?api-version=2022-09-01"
+      }
+    },
+    "202": {
+      "headers": {
+        "Azure-AsyncOperation": "https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/myResourceGroup/providers/Microsoft.Network/locations/eastus/operations/00000000-0000-0000-0000-000000000000?api-version=2022-09-01"
+      }
+    },
     "204": {}
   }
 }

specification/network/resource-manager/Microsoft.Network/stable/2022-09-01/networkSecurityGroup.json

@@ -820,6 +820,7 @@
       "required": [
         "protocol",
         "access",
+        "priority",
         "direction"
       ],
       "description": "Security rule resource."