Add ACS Call Automation GA6

specification/communication/data-plane/CallAutomation/readme.md

@@ -26,7 +26,7 @@ These are the global settings for the communicationservices.
 
 ```yaml
 openapi-type: data-plane
-tag: package-2025-03-30-preview
+tag: package-2025-06-15
 ```
 
 ### Tag: package-2022-04-07-preview
@@ -158,6 +158,21 @@ suppressions:
     reason: Our LRO behavior does not fit the default behavior
 ```
 
+### Tag: package-2025-06-15
+
+These settings apply only when `--tag=package-2025-06-15` is specified on the command line.
+
+```yaml $(tag) == 'package-2025-06-15'
+input-file:
+  - stable/2025-06-15/communicationservicescallautomation.json
+title:
+  Azure Communication Services
+suppressions:
+  - code: LroExtension
+    from: communicationservicescallautomation.json
+    reason: Our LRO behavior does not fit the default behavior
+```
+
 ---
 
 # Code Generation