Packaging: renamed license to match Pypi classifier (#326)

Make license classifiers compatible with PyPI to fix error during
publishing
(https://github.com/Guts/qgis-deployment-cli/actions/runs/6799893590/job/18487221639):

![Uploading image.png…]()


Upstream:

- pypi/legacy#91
- pypa/trove-classifiers#17

setup.py

@@ -75,7 +75,7 @@ def load_requirements(requirements_files: Path | list[Path]) -> list:
     classifiers=[
         "Development Status :: 4 - Beta",
         "Intended Audience :: Information Technology",
-        "License :: OSI Approved :: Apache Software License 2.0",
+        "License :: OSI Approved :: Apache Software License",
         "Operating System :: Microsoft :: Windows :: Windows 10",
         "Operating System :: OS Independent",
         "Programming Language :: Python :: 3",