Bump drf-yasg from 1.21.4 to 1.21.5 (#48)

Bumps [drf-yasg](https://github.com/axnsan12/drf-yasg) from 1.21.4 to 1.21.5.
- [Release notes](https://github.com/axnsan12/drf-yasg/releases)
- [Changelog](https://github.com/axnsan12/drf-yasg/blob/1.21.5/docs/changelog.rst)
- [Commits](axnsan12/drf-yasg@1.21.4...1.21.5)

---
updated-dependencies:
- dependency-name: drf-yasg
  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>

{{cookiecutter.project_slug}}/requirements.txt

@@ -5,7 +5,7 @@ djangorestframework==3.14.0
 djangorestframework-simplejwt==4.8.0
 djoser==2.1.0
 dj-database-url==1.2.0
-drf-yasg==1.21.4
+drf-yasg==1.21.5
 gunicorn==20.1.0
 psycopg2-binary==2.9.5
 python-decouple==3.8