Updated ACS Rooms Live Test to use PPE environment and resource (#33955)

Author: mikehang-msft

sdk/communication/azure-communication-rooms/tests.yml

@@ -15,11 +15,11 @@ stages:
             - $(sub-config-communication-services-cloud-test-resources-common)
             - $(sub-config-communication-services-cloud-test-resources-python)
 
-        Int:
+        PPE:
             SubscriptionConfigurations:
-              - $(sub-config-communication-int-test-resources-common)
-              - $(sub-config-communication-int-test-resources-python)
-      Clouds: Public,Int
+              - $(sub-config-communication-ppe-test-resources-common)
+              - $(sub-config-communication-ppe-test-resources-python)
+      Clouds: Public,PPE
       TestResourceDirectories:
         - communication/test-resources/
       EnvVars: