Bump drf-yasg[validation] from 1.21.4 to 1.21.5

Bumps [drf-yasg[validation]](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[validation]
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -13,7 +13,7 @@ django-timezone-field==5.0
 djangorestframework==3.14.0
 djangorestframework-camel-case==1.4.2
 docutils==0.19
-drf-yasg[validation]==1.21.4
+drf-yasg[validation]==1.21.5
 gunicorn[gevent]==20.1.0
 lxml==4.9.2
 numpy==1.24.2