Fix setuptools deprecation warnings in setup.py

Author: adev-code

setup.py

@@ -3,7 +3,7 @@
 import os.path
 import re
 
-from setuptools import find_packages, setup
+from setuptools import find_namespace_packages, setup
 
 here = os.path.abspath(os.path.dirname(__file__))
 
@@ -44,22 +44,21 @@ def find_version(*file_paths):
     author='Amazon Web Services',
     url='https://github.com/boto/botocore',
     scripts=[],
-    packages=find_packages(exclude=['tests*']),
+    packages=find_namespace_packages(exclude=['tests*']),
     package_data={
         'botocore': ['cacert.pem', 'data/*.json', 'data/*/*.json'],
         'botocore.vendored.requests': ['*.pem'],
     },
     include_package_data=True,
     install_requires=requires,
     extras_require=extras_require,
-    license="Apache License 2.0",
+    license="Apache-2.0",
     python_requires=">= 3.9",
     classifiers=[
         'Development Status :: 5 - Production/Stable',
         'Intended Audience :: Developers',
         'Intended Audience :: System Administrators',
         'Natural Language :: English',
-        'License :: OSI Approved :: Apache Software License',
         'Programming Language :: Python',
         'Programming Language :: Python :: 3 :: Only',
         'Programming Language :: Python :: 3',