Merge pull request #78 from python-packaging/tox-env

Update tox config

Author: thatch

setup.cfg

@@ -69,15 +69,15 @@ python_version = 3.8
 strict = True
 
 [tox:tox]
-envlist = py36, py37, py38
+envlist = py{38,39,310,311,312,313}-tests
 
 [testenv]
-deps = -rrequirements-dev.txt
-whitelist_externals = make
+deps = .[test]
+allowlist_externals = make
 commands =
     make test
 setenv =
-    py{36,37,38}: COVERAGE_FILE={envdir}/.coverage
+    tests: COVERAGE_FILE={envdir}/.coverage
 
 [flake8]
 ignore = E203, E231, E266, E302, E501, W503