remove Python 3.8 and 3.9 from setup.cfg

Author: fdiblen

setup.cfg

@@ -12,8 +12,6 @@ classifiers =
     License :: OSI Approved :: Apache Software License
     Natural Language :: English
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.8
-    Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3.12
@@ -30,7 +28,7 @@ version = 0.4.0
 [options]
 zip_safe = False
 include_package_data = True
-python_requires = >=3.8
+python_requires = >=3.10
 packages =
 install_requires =
     copier==9.2.0