chore(deps): update dependency marshmallow to v3.20.1

renovate[bot] · web-flow · commit 94fe6e97e1e0 · 2023-07-21T00:31:31.000Z
diff --git a/dev-requirements.txt b/dev-requirements.txt
@@ -18,4 +18,4 @@ rope
 twine
 pydocstyle
 jsonschema==3.2.0
-marshmallow==3.13.0
+marshmallow==3.20.1
