Bump marshmallow from 3.21.1 to 3.21.2 (#169)

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

requirements.txt

@@ -32,7 +32,7 @@ frozenlist==1.4.1
     #   aiosignal
 idna==3.7
     # via yarl
-marshmallow==3.21.1
+marshmallow==3.21.2
     # via maus
 maus==0.4.2
     # via edi_energy_scraper (pyproject.toml)