Bump django-webpack-loader from 2.0.1 to 3.1.0

Bumps [django-webpack-loader](https://github.com/django-webpack/django-webpack-loader) from 2.0.1 to 3.1.0.
- [Release notes](https://github.com/django-webpack/django-webpack-loader/releases)
- [Changelog](https://github.com/django-webpack/django-webpack-loader/blob/master/CHANGELOG.md)
- [Commits](django-webpack/django-webpack-loader@2.0.1...3.1.0)

---
updated-dependencies:
- dependency-name: django-webpack-loader
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -1,3 +1,3 @@
 drf-nested-routers
-django-webpack-loader==2.0.1
+django-webpack-loader==3.1.0
 caldav==1.3.9