Streamlined release process slightly

docs/maintenance/release-process.rst

@@ -25,8 +25,7 @@ Release
 
 .. code-block:: bash
 
-    git clean -fdx
-    python setup.py sdist bdist_wheel
-    twine upload dist/*
+    git clean -idx
+    tox -e release
     git tag vX.X.X
     git push --tags

tox.ini

@@ -37,3 +37,13 @@ extras =
 changedir = {toxinidir}/docs
 commands =
     sphinx-build -b html -d {envtmpdir}/doctrees . {envtmpdir}/html
+
+[testenv:release]
+skip_install = true
+deps =
+    build
+    twine
+commands =
+    python -c "import shutil, os; os.path.isdir('dist') and shutil.rmtree('dist')"
+    python -m build
+    twine upload dist/*