chore: Rename 'py' to 'pytest' in GHA to avoid confusion

Author: MaxymVlasov

.github/workflows/ci-cd.yml

@@ -452,7 +452,7 @@ jobs:
         - macos-13
         - windows-2025
         toxenv:
-        - py
+        - pytest
         xfail:
         - false
 

tox.ini

@@ -104,6 +104,9 @@ set_env =
   COVERAGE_PROCESS_START = {toxinidir}{/}.coveragerc
 wheel_build_env = .pkg
 
+# Duplicate default 'py' env to 'pytest' to be able run pytest with 'tox run -e pytest'
+[testenv:pytest]
+
 
 [testenv:cleanup-dists]
 description =