chore(deps): update dependency tox to v4

Author: renovate[bot]

dev-requirements.txt

@@ -216,7 +216,7 @@ tenacity==9.1.2
 tiled==0.1.6
 tomlkit==0.13.3
 toolz==1.0.0
-tox==3.28.0
+tox==4.31.0
 tox-direct==0.4
 tqdm==4.67.1
 typer==0.19.2