Bump tox from 4.11.4 to 4.12.0 (#317)

Author: dependabot[bot]

setup.cfg

@@ -54,7 +54,7 @@ dev =
     pytest-cov==4.1.0
     pytest-xdist==3.5.0
     pytest==7.4.4
-    tox==4.11.4
+    tox==4.12.0
 
 [options.packages.find]
 where = src