test(warnings): switch from the unmaintained pytest-freezegun to pytest-freezer removing warnings

Author: noirbizarre

pyproject.toml

@@ -79,9 +79,8 @@ pytest = "^7.0.0"
 pytest-cov = "^2.6"
 pytest-mock = "^2.0"
 codecov = "^2.0"
-freezegun = "^0.3.15"
-pytest-regressions = "^2.2.0"
-pytest-freezegun = "^0.4.2"
+pytest-regressions = "^2.4.0"
+pytest-freezer = "^0.4.6"
 # code formatter
 black = "^21.12b0"
 isort = "^5.7.0"