pinned the new release of pytest-asyncio: 0.21.2

[evalott100]

As documented in pytest-dev/pytest#12269,

The newer release of pytest broke pytest-asyncio==0.21.1. There's now a new patch release of pytest-asyncio for those still using 0.21.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.87%. Comparing base (5ae9209) to head (fc7cddf).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #113   +/-   ##
=======================================
  Coverage   90.87%   90.87%           
=======================================
  Files           8        8           
  Lines        1227     1227           
  Branches      194      194           
=======================================
  Hits         1115     1115           
  Misses         74       74           
  Partials       38       38           

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[AlexanderWells-diamond]

This will do for now, but we should look at fixing the underlying issue with sticking to this minor version of pytest-asyncio - it's already up to version 0.23.6