Fix min python version in setup.cfg

Signed-off-by: Keshav Priyadarshi <git@keshav.space>

Author: keshav-space

setup.cfg

@@ -48,7 +48,7 @@ zip_safe = false
 
 setup_requires = setuptools_scm[toml] >= 4
 
-python_requires = >=3.6.*
+python_requires = >=3.6
 
 install_requires =
     attrs