fix: add app_mcp_tool_acl_changed to Actions.App

❤️
Co-Authored-By: Claude <svc-devxp-claude@slack-corp.com>

Author: zimeg

slack-api-client/src/main/java/com/slack/api/audit/Actions.java

@@ -590,6 +590,7 @@ private App() {
         public static final String app_mcp_server_removed = "app_mcp_server_removed";
         public static final String app_mcp_server_acl_changed = "app_mcp_server_acl_changed";
         public static final String app_mcp_server_auth_strategy_set = "app_mcp_server_auth_strategy_set";
+        public static final String app_mcp_tool_acl_changed = "app_mcp_tool_acl_changed";
     }
 
     public static class Message {