Fix license classifier

Author: jacobtomlinson

pyproject.toml

@@ -11,9 +11,7 @@ classifiers = [
   # Indicate who your project is intended for
   "Intended Audience :: Developers",
   "Topic :: Software Development :: Build Tools",
-
-  # Pick your license as you wish (see also "license" above)
-  "License :: OSI Approved :: Apache 2.0 License",
+  "License :: OSI Approved :: Apache Software License",
 
   # Specify the Python versions you support here.
   "Programming Language :: Python :: 3",