Bump marshmallow from 3.19.0 to 3.20.1 (#175)

Bumps [marshmallow](https://github.com/marshmallow-code/marshmallow) from 3.19.0 to 3.20.1.
- [Changelog](https://github.com/marshmallow-code/marshmallow/blob/dev/CHANGELOG.rst)
- [Commits](marshmallow-code/marshmallow@3.19.0...3.20.1)

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

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

pyproject.toml

@@ -19,7 +19,7 @@ authors = [{ name = "Philipp Metzner", email = "[email protected]" }]
 dependencies = [
   "appdirs==1.4.4",
   "argcomplete==3.0.8",
-  "marshmallow==3.19.0",
+  "marshmallow==3.20.1",
   "python-dateutil==2.8.2",
   "rich==13.5.2",
   "tinydb==4.8.0",