Fixed scheduler timeout in Python<3.11

[LanderOtto]

This commit fixes a bug using the timeout feature of the scheduler with Python version older than 3.11.
The asyncio.wait_for method raises two different Timeout exceptions depending on the Python version (see doc). Starting from Python 3.11, Timeout built-in exception is raised, while asyncio.exceptions.Timeout exception is raised with previous Python versions.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 70.18%. Comparing base (14c35a6) to head (e656cb7).

Files	Patch %	Lines
streamflow/scheduling/scheduler.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #449   +/-   ##
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  Coverage   70.18%   70.18%           
=======================================
  Files          83       83           
  Lines       10591    10591           
  Branches     2504     2504           
=======================================
  Hits         7433     7433           
  Misses       2702     2702           
  Partials      456      456           

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