Update pytest from 5.4.2 to 8.1.1

tox.ini

@@ -50,7 +50,7 @@ deps =
     Sphinx==7.2.6
     twine==5.0.0
     Click==8.1.7
-    pytest==5.4.2
+    pytest==8.1.1
     pytest-cov==2.8.1
     pytest-runner==6.0.1
     lupa==1.9