Declare v4

This is the first release of flake8-commas since the 2.x series,
but accounts for the intervening history of flake8-commas-x which
released a 3.0 and has since been reintegrated.

Author: PeterJCLaw

CHANGES.rst

@@ -1,4 +1,4 @@
-4.0.0
+4.0.0 (2024-05-16)
 ------------------
 
 - Project renamed back to ``flake8-commas``. If upgrading from

setup.py

@@ -26,7 +26,7 @@ def read(*filenames, **kwargs):
     author_email="trevor@trevorcreech.com",
     maintainer="Peter Law",
     maintainer_email="PeterJCLaw@gmail.com",
-    version='4.0.0.dev0',
+    version='4.0.0',
     install_requires=['flake8>=5'],
     python_requires='>=3.8',
     url='https://github.com/PyCQA/flake8-commas/',