style: pre-commit fixes

Author: pre-commit-ci[bot]

setup.cfg

@@ -9,7 +9,6 @@ author = Yorck Ramachers
 author_email = user@domain.com
 maintainer = Yorck Ramachers
 license = MIT
-license_file = LICENSE
 license_files = LICENSE
 classifiers =
     Development Status :: 1 - Planning
@@ -29,7 +28,7 @@ classifiers =
 packages = find:
 install_requires =
     pyg4ometry
-python_requires = >=3.7
+python_requires = >=3.8
 include_package_data = True
 package_dir =
     = src