Bump marshmallow from 3.21.2 to 3.21.3

Bumps [marshmallow](https://github.com/marshmallow-code/marshmallow) from 3.21.2 to 3.21.3.
- [Changelog](https://github.com/marshmallow-code/marshmallow/blob/dev/CHANGELOG.rst)
- [Commits](marshmallow-code/marshmallow@3.21.2...3.21.3)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/requirements.txt

@@ -89,7 +89,7 @@ markdown-it-py==3.0.0
     # via rich
 markupsafe==2.1.5
     # via jinja2
-marshmallow==3.21.2
+marshmallow==3.21.3
     # via environs
 mdurl==0.1.2
     # via markdown-it-py