fix(deps): roll back dependency pytest to ^7.0

pyproject.toml

@@ -34,7 +34,7 @@ classifiers = [
 [tool.poetry.dependencies]
 python = "^3.7"
 # Optional dependencies to be part of `test` extra
-pytest = {version = "^7.1", optional = true}
+pytest = {version = "^7.0", optional = true}
 pytest-cov = {version = "^3.0", optional = true}
 pytest-mock = {version = "^3.2", optional = true}
 pytest-html = {version = "^3.1", optional = true}