Bump marshmallow from 3.21.1 to 3.21.2 in /src/presenters

Bumps [marshmallow](https://github.com/marshmallow-code/marshmallow) from 3.21.1 to 3.21.2.
- [Changelog](https://github.com/marshmallow-code/marshmallow/blob/dev/CHANGELOG.rst)
- [Commits](marshmallow-code/marshmallow@3.21.1...3.21.2)

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

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

src/presenters/requirements.txt

@@ -4,7 +4,7 @@ Flask-RESTful==0.3.10
 gevent==24.2.1
 gunicorn==22.0.0
 Jinja2==3.1.4
-marshmallow==3.21.1
+marshmallow==3.21.2
 marshmallow-enum==1.5.1
 python-dotenv==1.0.1
 weasyprint==62.1