Accept bytearray where we can do so at no cost.

This is a follow-up to c2bc41b.

Author: aaugustin

src/websockets/protocol.py

@@ -254,7 +254,7 @@ def close_exc(self) -> ConnectionClosed:
 
  # Public methods for receiving data.
 
- def receive_data(self, data: bytes) -> None:
+ def receive_data(self, data: bytes | bytearray) -> None:
  """
  Receive data from the network.
 

src/websockets/streams.py

@@ -112,7 +112,7 @@ def at_eof(self) -> Generator[None, None, bool]:
  # tell if until either feed_data() or feed_eof() is called.
  yield
 
- def feed_data(self, data: bytes) -> None:
+ def feed_data(self, data: bytes | bytearray) -> None:
  """
  Write data to the stream.