chore(deps): update dependency tox to v3.21.0

renovate-bot · renovate-bot · commit 3ca854249632 · 2021-01-08T18:20:06.000Z
diff --git a/dev-requirements.txt b/dev-requirements.txt
@@ -11,7 +11,7 @@ pytest-mock
 watchdog
 mypy
 isort
-tox==3.20.1
+tox==3.21.0
 coverage
 wily
 rope
