fix: update broken demo dependency

[mrkaurelius]

Couldn't proceed with further local testing on my host. Probably due to differences in python versions.

    self.proc = await asyncio.wait_for(future, 20, loop=loop)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
TypeError: wait_for() got an unexpected keyword argument 'loop'

But pip install works fine now.

[mrkaurelius]

related to #2637

[dbluhm]

What version of Python are you running? Our current target is Python 3.9 but we also test nightly on 3.10. I believe that only hits the PR tests and not the integration tests and I'm not sure the demo reqs would get pulled into those integration tests anyways...

[sonarqubecloud]

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