Don't error on ast deprecation warnings

Author: domdfcoding

tox.ini

@@ -219,6 +219,8 @@ timeout = 300
 filterwarnings =
     error
     ignore:can't resolve package from __spec__ or __package__, falling back on __name__ and __path__:ImportWarning
+    always:ast.Str is deprecated and will be removed in Python 3.14; use ast.Constant instead:DeprecationWarning
+    always:ast.NameConstant is deprecated and will be removed in Python 3.14; use ast.Constant instead:DeprecationWarning
 
 [check-wheel-contents]
 ignore = W002,W102