ci: Temporary fix

See python-poetry/poetry#3862

Author: pawamoy

pyproject.toml

@@ -52,7 +52,7 @@ mkdocstrings = "^0.15.0"
 mypy = "^0.800"
 pytest = "^6.2.2"
 pytest-cov = "^2.11.1"
-pytest-randomly = "^3.5.0"
+pytest-randomly = "<3.6.0"
 pytest-sugar = "^0.9.4"
 pytest-xdist = "^2.2.0"
 toml = "^0.10.2"