Update dependency tox to v4.6.0 (#146)

renovate[bot] · web-flow · commit c927bb140df4 · 2023-06-12T12:56:32.000+01:00
Co-authored-by: renovate[bot] &lt;29139614+renovate[bot]@users.noreply.github.com&gt;
diff --git a/requirements_dev.txt b/requirements_dev.txt
@@ -3,6 +3,6 @@ coverage==7.2.7
 pip==23.1.2
 pytest==7.3.1
 Sphinx==7.0.1
-tox==4.5.2
+tox==4.6.0
 twine==4.0.2
 wheel==0.40.0
