Don't error on another warning about Distutils being imported before setuptools (not us).

domdfcoding · domdfcoding · commit f6cc56d59804 · 2025-12-11T23:06:50.000Z
Again only happens in CI.
diff --git a/tox.ini b/tox.ini
@@ -238,6 +238,7 @@ filterwarnings =
     always:The frontend.Option class will be removed in Docutils:DeprecationWarning
     once:Argument "reader_name" will be removed in Docutils 2.0.:PendingDeprecationWarning
     always:Distutils was imported before Setuptools:UserWarning
+    always:Setuptools is replacing distutils.:UserWarning
 
 [testenv]
 setenv =
