Update setup.py

Author: varonix0

setup.py

@@ -16,7 +16,7 @@
 # http://pypi.python.org/pypi/setuptools
 NAME = "infisicalsdk"
 VERSION = "1.0.1"
-PYTHON_REQUIRES = ">=3.7"
+PYTHON_REQUIRES = ">=3.8"
 REQUIRES = [
     "urllib3 >= 1.25.3, < 2.1.0",
     "python-dateutil",