try to fix license files not be accepting by twine

Author: electronstudio

.github/workflows/build.yml

@@ -155,6 +155,7 @@ jobs:
           ${{ matrix.python-version }} -m pip install --upgrade "cffi>=1.17.1"
           ${{ matrix.python-version }} -m pip install --upgrade wheel
           ${{ matrix.python-version }} -m pip install --upgrade setuptools
+          ${{ matrix.python-version }} -m pip install --upgrade build
           ${{ matrix.python-version }} -m pip install --upgrade auditwheel
           ${{ matrix.python-version }} -m build --wheel
           ${{ matrix.python-version }} -m auditwheel repair dist/*.whl

setup.py

@@ -33,7 +33,6 @@ def has_ext_modules(foo):
     url="https://github.com/electronstudio/raylib-python-cffi",
     author="Electron Studio",
     author_email="[email protected]",
-    license="EPL-2.0",
     license_files = ['LICENSE'],
     classifiers=[
         "Programming Language :: Python :: 3",