Bump marshmallow from 3.21.0 to 3.21.1 (#211)

Bumps [marshmallow](https://github.com/marshmallow-code/marshmallow) from 3.21.0 to 3.21.1.
- [Changelog](https://github.com/marshmallow-code/marshmallow/blob/dev/CHANGELOG.rst)
- [Commits](marshmallow-code/marshmallow@3.21.0...3.21.1)

---
updated-dependencies:
- dependency-name: marshmallow
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pyproject.toml

@@ -19,7 +19,7 @@ authors = [{ name = "Philipp Metzner", email = "beth.aleph@yahoo.de" }]
 dependencies = [
   "appdirs==1.4.4",
   "argcomplete==3.2.3",
-  "marshmallow==3.21.0",
+  "marshmallow==3.21.1",
   "python-dateutil==2.8.2",
   "rich==13.7.1",
   "tinydb==4.8.0",