receive_many -> receive

[dilyanpalauzov]

In asgiref/worker.py:76 replace receive_many with receive.

Likewise in django/channels.git

channels/channel.py:13: a) Hide receive_many from end-users, as it is only for interface servers
channels/handler.py:132: _, chunk = message.channel_layer.receive_many(
channels/sessions.py:101: channel, content = message.channel_layer.receive_many([wait_channel], block=False)
channels/test/base.py:68: recv_channel, content = channel_layers[alias].receive_many([channel])
channels/test/base.py:105: recv_channel, content = channel_layers[self.alias].receive_many([channel])
channels/worker.py:87: channel, content = self.channel_layer.receive_many(channels, block=True)
docs/faqs.rst:137: yourproject.asgi.channel_layer and call send() and receive_many()
docs/testing.rst:36:you (if you want, you can call receive_many on the underlying channel layer,

so that the system can be started without generating warnings.

In asgiref/base_layer.py:77 replace "intepret" with "interpret".

[andrewgodwin]

I'm in the middle of rewriting all of these so this won't be a problem.