Update dependency django-webpack-loader to v3 (#2378)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

poetry.lock

@@ -29,7 +29,7 @@ django-robots = "6.1"
 django-storages = "^1.11.1"
 django-treebeard = "^4.5.1"
 django-user-agents = "^0.4.0"
-django-webpack-loader = "^1.4.1"
+django-webpack-loader = "^3.0.0"
 djangorestframework = "^3.12.4"
 djoser = "^2.1.0"
 drf-extensions = "^0.7.1"