chore(deps): update dependency tox to v4

renovate[bot] · web-flow · commit 06c10f409167 · 2025-07-25T19:24:46.000Z
diff --git a/dev-requirements.txt b/dev-requirements.txt
@@ -191,7 +191,7 @@ stomp.py==8.2.0
 super-state-machine==2.0.2
 tomlkit==0.13.3
 toolz==1.0.0
-tox==3.28.0
+tox==4.28.2
 tox-direct==0.4
 tqdm==4.67.1
 typer==0.16.0
