Update python requirements

Signed-off-by: Ayan Sinha Mahapatra <ayansmahapatra@gmail.com>

Author: AyanSinhaMahapatra

setup.cfg

@@ -50,7 +50,7 @@ packages = find:
 include_package_data = true
 zip_safe = false
 setup_requires = setuptools_scm[toml] >= 4
-python_requires = >=3.8.*
+python_requires = >=3.9
 install_requires =
 	pytest >= 6, != 7.0.0
 	pytest-xdist >= 2