fix: Compatibility with pytest-asyncio>=0.17.1

[Stranger6667]

Fixes #1452

[codecov-commenter]

Codecov Report

Merging #1453 (1926d22) into master (8c86fb8) will decrease coverage by 0.02%.
The diff coverage is 100.00%.

❗ Current head 1926d22 differs from pull request most recent head 2f57b2d. Consider uploading reports for the commit 2f57b2d to get more accurate results

@@            Coverage Diff             @@
##           master    #1453      +/-   ##
==========================================
- Coverage   99.12%   99.09%   -0.03%     
==========================================
  Files          86       86              
  Lines        6657     6659       +2     
  Branches     1163     1163              
==========================================
  Hits         6599     6599              
- Misses         30       31       +1     
- Partials       28       29       +1     

Impacted Files	Coverage Δ
src/schemathesis/lazy.py	95.72% <100.00%> (+0.07%)	⬆️
src/schemathesis/extra/pytest_plugin.py	98.24% <0.00%> (-1.76%)	⬇️

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