Update setup.cfg

Author: liZe

setup.cfg

@@ -2,8 +2,8 @@
 name = CairoSVG
 url = https://courtbouillon.org/cairosvg
 version = file: cairosvg/VERSION
-license = LGPLv3+
-license_files = [ LICENSE ]
+license = LGPL-3.0-or-later
+license_file = LICENSE
 description = A Simple SVG Converter based on Cairo
 long_description = file: README.rst
 long_description_content_type = text/x-rst
@@ -24,7 +24,6 @@ classifiers =
   Development Status :: 5 - Production/Stable
   Environment :: Console
   Intended Audience :: End Users/Desktop
-  License :: OSI Approved :: GNU Lesser General Public License v3 or later (LGPLv3+)
   Operating System :: OS Independent
   Programming Language :: Python :: 3 :: Only
   Programming Language :: Python :: 3.9
@@ -49,7 +48,7 @@ install_requires =
   defusedxml
   pillow
   tinycss2
-python_requires = >= 3.5
+python_requires = >= 3.9
 
 [options.entry_points]
 console_scripts =
@@ -68,14 +67,14 @@ test =
   isort
 
 [bdist_wheel]
-python-tag = py3
+python_tag = py3
 
 [tool:pytest]
 norecursedirs =
   build
   cairosvg_reference
   dist
-  test_regression/cairosvg_reference
+  test_non_regression/cairosvg_reference
   venv
   .cache
   .eggs