chore(dependencies): update dependency pytest to v7

Author: renovate-bot

poetry.lock

@@ -16,7 +16,7 @@ typing-extensions = "^3.7.4;python<3.8"
 
 [tool.poetry.dev-dependencies]
 mypy = "^0.812"
-pytest = "^6.2.4"
+pytest = "^7.0.1"
 pytest-cov = "^2.12.1"
 
 [build-system]