transports: don't use interruptions_allowed to avoid deprecation warning

src/pipecat/transports/base_input.py

@@ -477,7 +477,7 @@ class BaseInputTransport(FrameProcessor):
             )
 
             # Make sure we notify about interruptions quickly out-of-band.
-            if should_push_immediate_interruption and self.interruptions_allowed:
+            if should_push_immediate_interruption and self._allow_interruptions:
                 await self.push_interruption_task_frame_and_wait()
             elif self.interruption_strategies and self._bot_speaking:
                 logger.debug(

src/pipecat/transports/base_output.py

@@ -498,7 +498,7 @@ class BaseOutputTransport(FrameProcessor):
             Args:
                 _: The start interruption frame (unused).
             """
-            if not self._transport.interruptions_allowed:
+            if not self._transport._allow_interruptions:
                 return
 
             # Cancel tasks.