Fixed #30948 -- Changed packaging to use declarative config in setup.cfg.

Co-authored-by: Nick Pope <nick.pope@flightdataservices.com>

setup.cfg

@@ -1,3 +1,55 @@
+[metadata]
+name = Django
+version = attr: django.__version__
+url = https://www.djangoproject.com/
+author = Django Software Foundation
+author_email = foundation@djangoproject.com
+description = A high-level Python Web framework that encourages rapid development and clean, pragmatic design.
+long_description = file: README.rst
+license = BSD-3-Clause
+classifiers =
+    Development Status :: 2 - Pre-Alpha
+    Environment :: Web Environment
+    Framework :: Django
+    Intended Audience :: Developers
+    License :: OSI Approved :: BSD License
+    Operating System :: OS Independent
+    Programming Language :: Python
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3 :: Only
+    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
+    Topic :: Internet :: WWW/HTTP
+    Topic :: Internet :: WWW/HTTP :: Dynamic Content
+    Topic :: Internet :: WWW/HTTP :: WSGI
+    Topic :: Software Development :: Libraries :: Application Frameworks
+    Topic :: Software Development :: Libraries :: Python Modules
+project_urls =
+    Documentation = https://docs.djangoproject.com/
+    Funding = https://www.djangoproject.com/fundraising/
+    Source = https://github.com/django/django
+    Tracker = https://code.djangoproject.com/
+
+[options]
+python_requires = >=3.6
+packages = find:
+scripts = django/bin/django-admin.py
+include_package_data = true
+zip_safe = false
+install_requires =
+    asgiref
+    pytz
+    sqlparse >= 0.2.2
+
+[options.entry_points]
+console_scripts =
+    django-admin = django.core.management:execute_from_command_line
+
+[options.extras_require]
+argon2 = argon2-cffi >= 16.1.0
+bcrypt = bcrypt
+
 [bdist_rpm]
 doc_files = docs extras AUTHORS INSTALL LICENSE README.rst
 install-script = scripts/rpm-install.sh